diff --git a/BeWo/Scheduler/View/SchedulerAppointmentEditForm.xaml b/BeWo/Scheduler/View/SchedulerAppointmentEditForm.xaml
index 89ec536ff..6d6692c99 100644
--- a/BeWo/Scheduler/View/SchedulerAppointmentEditForm.xaml
+++ b/BeWo/Scheduler/View/SchedulerAppointmentEditForm.xaml
@@ -1,29 +1,33 @@
-<localSchView:AbstractAppointmentEditForm x:Class="BeWo.Scheduler.View.SchedulerAppointmentEditForm"
+<localSchView:AbstractAppointmentEditForm
+    x:Class="BeWo.Scheduler.View.SchedulerAppointmentEditForm"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-    xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors"
-    xmlns:dxschint="http://schemas.devexpress.com/winfx/2008/xaml/scheduler/internal"
-    xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
-    xmlns:dxsch="http://schemas.devexpress.com/winfx/2008/xaml/scheduler"
-    xmlns:converter="clr-namespace:BeWo.Scheduler.Converter"
     xmlns:bewoConverter="clr-namespace:BeWo.Converter"
+    xmlns:converter="clr-namespace:BeWo.Scheduler.Converter"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
+    xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors"
+    xmlns:dxsch="http://schemas.devexpress.com/winfx/2008/xaml/scheduler"
+    xmlns:dxschint="http://schemas.devexpress.com/winfx/2008/xaml/scheduler/internal"
     xmlns:localSchView="clr-namespace:BeWo.Scheduler.View"
     xmlns:markup="clr-namespace:BeWo.MultiLanguage.Markup"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:search="clr-namespace:BeWo.View.Search"
     xmlns:t="clr-namespace:BeWo.MultiLanguage.Markup"
-    mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="300" Width="420">
-	<localSchView:AbstractAppointmentEditForm.Resources>
-		<dxschint:TimeSpanToDateTimeConverter x:Key="TimeSpanToDateTimeConverter"/>
-		<converter:Recurrence2GermanConverter x:Key="Recurrence2GermanConverter"/>
-		<localSchView:TextFromIDataContractConverter x:Key="TextFromIDataContractConverter" />
-		<converter:NewCalendarBackgroundConverter x:Key="NewCalendarBackgroundConverter" />
-		<bewoConverter:BoolVisibilityConverter x:Key="BoolVisibilityConverter" />
-		<bewoConverter:ParticipationBrushConverter x:Key="ParticipationBrushConverter" />
+    Width="420"
+    d:DesignHeight="300"
+    d:DesignWidth="300"
+    mc:Ignorable="d">
+    <localSchView:AbstractAppointmentEditForm.Resources>
+        <dxschint:TimeSpanToDateTimeConverter x:Key="TimeSpanToDateTimeConverter" />
+        <converter:Recurrence2GermanConverter x:Key="Recurrence2GermanConverter" />
+        <localSchView:TextFromIDataContractConverter x:Key="TextFromIDataContractConverter" />
+        <converter:NewCalendarBackgroundConverter x:Key="NewCalendarBackgroundConverter" />
+        <bewoConverter:BoolVisibilityConverter x:Key="BoolVisibilityConverter" />
+        <bewoConverter:ParticipationBrushConverter x:Key="ParticipationBrushConverter" />
         <localSchView:RemoveElementVisibilityConverter x:Key="RemoveElementVisibilityConverter" />
         <localSchView:InformationVisibilityConverter x:Key="InformationVisibilityConverter" />
-	    
+
         <Style x:Key="MultiSupportConceptSelectionControlStyle" TargetType="{x:Type ListBoxItem}">
             <Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
             <Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
@@ -32,17 +36,30 @@
                 <Setter.Value>
                     <ControlTemplate>
                         <Grid>
-                            <Border x:Name="ItemBorder" CornerRadius="5" MinHeight="25" Background="#FF000000">
+                            <Border
+                                x:Name="ItemBorder"
+                                MinHeight="25"
+                                Background="#FF000000"
+                                CornerRadius="5">
                                 <Border.OpacityMask>
-                                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-                                        <GradientStop Color="#19000000" Offset="0" />
-                                        <GradientStop Color="#26000000" Offset="1" />
+                                    <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                        <GradientStop Offset="0" Color="#19000000" />
+                                        <GradientStop Offset="1" Color="#26000000" />
                                     </LinearGradientBrush>
                                 </Border.OpacityMask>
                             </Border>
 
-                            <Border x:Name="ItemContent" CornerRadius="5" MinHeight="25" Background="{StaticResource SupportConceptContentBrush}">
-                                <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="5,3,5,3" OpacityMask="{x:Null}" SnapsToDevicePixels="True">
+                            <Border
+                                x:Name="ItemContent"
+                                MinHeight="25"
+                                Background="{StaticResource SupportConceptContentBrush}"
+                                CornerRadius="5">
+                                <Grid
+                                    Margin="5,3,5,3"
+                                    HorizontalAlignment="Stretch"
+                                    VerticalAlignment="Stretch"
+                                    OpacityMask="{x:Null}"
+                                    SnapsToDevicePixels="True">
                                     <Grid.ColumnDefinitions>
                                         <ColumnDefinition Width="*" />
                                         <ColumnDefinition Width="Auto" />
@@ -52,482 +69,1174 @@
                                         <RowDefinition Height="Auto" />
                                     </Grid.RowDefinitions>
 
-                                    <TextBlock x:Name="txtDetail1" Grid.Column="0" Grid.Row="0" Text="{Binding Path=CustomerName}" FontSize="12" Foreground="#FFD2D2D2" FontFamily="Microsoft Sans Serif" />
-                                    <TextBlock x:Name="txtDetail2" Grid.Column="0" Grid.Row="1" ToolTip="{Binding Path=FirstCostBearerDetailString}" Text="{Binding Path=FirstCostBearerDetailString}" FontSize="10" Foreground="{Binding ForegroundBrush}" FontFamily="Microsoft Sans Serif" />
-                                    <Button x:Name="btnRemoveSupportConcept" Grid.Column="1" Grid.Row="0" Grid.RowSpan="2" Width="20" Height="20" ToolTip="Hilfeplan aus der Liste entfernen" Tag="{Binding}" Style="{DynamicResource CloseButtonStyle}" Click="BtnRemoveSupportConcept_Click" Margin="3,0,0,0" />
+                                    <TextBlock
+                                        x:Name="txtDetail1"
+                                        Grid.Row="0"
+                                        Grid.Column="0"
+                                        FontFamily="Microsoft Sans Serif"
+                                        FontSize="12"
+                                        Foreground="#FFD2D2D2"
+                                        Text="{Binding Path=CustomerName}" />
+                                    <TextBlock
+                                        x:Name="txtDetail2"
+                                        Grid.Row="1"
+                                        Grid.Column="0"
+                                        FontFamily="Microsoft Sans Serif"
+                                        FontSize="10"
+                                        Foreground="{Binding ForegroundBrush}"
+                                        Text="{Binding Path=FirstCostBearerDetailString}"
+                                        ToolTip="{Binding Path=FirstCostBearerDetailString}" />
+                                    <Button
+                                        x:Name="btnRemoveSupportConcept"
+                                        Grid.Row="0"
+                                        Grid.RowSpan="2"
+                                        Grid.Column="1"
+                                        Width="20"
+                                        Height="20"
+                                        Margin="3,0,0,0"
+                                        Click="BtnRemoveSupportConcept_Click"
+                                        Style="{DynamicResource CloseButtonStyle}"
+                                        Tag="{Binding}"
+                                        ToolTip="Hilfeplan aus der Liste entfernen" />
                                 </Grid>
                             </Border>
-                      </Grid>
+                        </Grid>
 
-                      <ControlTemplate.Triggers>
-                          <DataTrigger Binding="{Binding Path=IsArchived}" Value="True">
-                              <Setter Property="Foreground" TargetName="txtDetail1" Value="#FF808080" />
-                              <Setter Property="Foreground" TargetName="txtDetail2" Value="#FF808080" />
-                          </DataTrigger>
-                          <Trigger Property="IsMouseOver" Value="True">
-                              <Setter Property="OpacityMask" TargetName="ItemBorder">
-                                  <Setter.Value>
-                                      <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-                                          <GradientStop Color="#33000000" Offset="0" />
-                                          <GradientStop Color="#66000000" Offset="1" />
-                                      </LinearGradientBrush>
-                                  </Setter.Value>
-                              </Setter>
-                          </Trigger>
+                        <ControlTemplate.Triggers>
+                            <DataTrigger Binding="{Binding Path=IsArchived}" Value="True">
+                                <Setter TargetName="txtDetail1" Property="Foreground" Value="#FF808080" />
+                                <Setter TargetName="txtDetail2" Property="Foreground" Value="#FF808080" />
+                            </DataTrigger>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#33000000" />
+                                            <GradientStop Offset="1" Color="#66000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </Trigger>
 
-                          <Trigger Property="ListBoxItem.IsSelected" Value="True">
-                              <Setter Property="OpacityMask" TargetName="ItemBorder">
-                                  <Setter.Value>
-                                      <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-                                          <GradientStop Color="#99000000" Offset="0" />
-                                          <GradientStop Color="#CC000000" Offset="1" />
-                                      </LinearGradientBrush>
-                                  </Setter.Value>
-                              </Setter>
-                          </Trigger>
-                          <MultiTrigger>
-                              <MultiTrigger.Conditions>
-                                  <Condition Property="ListBoxItem.IsSelected" Value="True" />
-                                  <Condition Property="Selector.IsSelectionActive" Value="False" />
-                              </MultiTrigger.Conditions>
-                              <Setter Property="OpacityMask" TargetName="ItemBorder">
-                                  <Setter.Value>
-                                      <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-                                          <GradientStop Color="#99000000" Offset="0" />
-                                          <GradientStop Color="#B2000000" Offset="1" />
-                                      </LinearGradientBrush>
-                                  </Setter.Value>
-                              </Setter>
+                            <Trigger Property="ListBoxItem.IsSelected" Value="True">
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#99000000" />
+                                            <GradientStop Offset="1" Color="#CC000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </Trigger>
+                            <MultiTrigger>
+                                <MultiTrigger.Conditions>
+                                    <Condition Property="ListBoxItem.IsSelected" Value="True" />
+                                    <Condition Property="Selector.IsSelectionActive" Value="False" />
+                                </MultiTrigger.Conditions>
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#99000000" />
+                                            <GradientStop Offset="1" Color="#B2000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
 
-                          </MultiTrigger>
-                      </ControlTemplate.Triggers>
-                  </ControlTemplate>
-              </Setter.Value>
+                            </MultiTrigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
             </Setter>
         </Style>
 
-		<Style x:Key="MultiElementSelectionControlStyle" TargetType="{x:Type ListBoxItem}">
-			<Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
-			<Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
-			<Setter Property="Margin" Value="3,1,3,1" />
-			<Setter Property="Template">
-				<Setter.Value>
-					<ControlTemplate>
-						<Grid>
-							<Border CornerRadius="5" MinHeight="20" Background="{Binding Converter={StaticResource NewCalendarBackgroundConverter}}"></Border>
-							<Border x:Name="ItemBorder" CornerRadius="5" MinHeight="20" Background="#FF000000">
-								<Border.OpacityMask>
-									<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-										<GradientStop Color="#19000000" Offset="0" />
-										<GradientStop Color="#26000000" Offset="1" />
-									</LinearGradientBrush>
-								</Border.OpacityMask>
-							</Border>
-							<Border x:Name="ItemContent" CornerRadius="5" MinHeight="20">
-								<Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="5,3,5,3" OpacityMask="{x:Null}" SnapsToDevicePixels="True">
-									<Grid.ColumnDefinitions>
-										<ColumnDefinition Width="Auto" />
-										<ColumnDefinition Width="*" />
-										<ColumnDefinition Width="Auto" />
-										<ColumnDefinition Width="Auto" />
-									</Grid.ColumnDefinitions>
-									<Border Grid.Column="0" CornerRadius="2" Width="5" Height="15" Background="{Binding Converter={StaticResource ParticipationBrushConverter}}" BorderThickness="1" BorderBrush="{Binding Converter={StaticResource ParticipationBrushConverter}, ConverterParameter=Border}" />
-									<TextBlock VerticalAlignment="Center" Grid.Column="1" Text="{Binding Converter={StaticResource TextFromIDataContractConverter}}" Margin="3,0,0,0" FontSize="12" Foreground="#FFD2D2D2" FontFamily="Microsoft Sans Serif" />
-                                    <Button x:Name="btnInformation" Grid.Column="2" Grid.RowSpan="2" Width="15" Height="15" ToolTip="Informationen zur Auslastung anzeigen" Tag="{Binding}" Visibility="{Binding Converter={StaticResource InformationVisibilityConverter}}" Content="i" Click="btnInformation_Click" Margin="3,0,0,0" />
-                                    <Button x:Name="btnRemoveElement" Grid.Column="3" Grid.RowSpan="2" Width="15" Height="15" ToolTip="Element aus der Liste entfernen" Tag="{Binding}" Visibility="{Binding Converter={StaticResource RemoveElementVisibilityConverter}}" Style="{DynamicResource CloseButtonStyleSmall}" Click="BtnRemoveElement_Click" Margin="3,0,0,0" />
-								</Grid>
-							</Border>
-						</Grid>
-						<ControlTemplate.Triggers>
-							<Trigger Property="IsMouseOver" Value="True">
-								<Setter Property="OpacityMask" TargetName="ItemBorder">
-									<Setter.Value>
-										<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-											<GradientStop Color="#33000000" Offset="0" />
-											<GradientStop Color="#66000000" Offset="1" />
-										</LinearGradientBrush>
-									</Setter.Value>
-								</Setter>
-							</Trigger>
-							<Trigger Property="ListBoxItem.IsSelected" Value="True">
-								<Setter Property="OpacityMask" TargetName="ItemBorder">
-									<Setter.Value>
-										<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-											<GradientStop Color="#99000000" Offset="0" />
-											<GradientStop Color="#CC000000" Offset="1" />
-										</LinearGradientBrush>
-									</Setter.Value>
-								</Setter>
-							</Trigger>
-							<MultiTrigger>
-								<MultiTrigger.Conditions>
-									<Condition Property="ListBoxItem.IsSelected" Value="True" />
-									<Condition Property="Selector.IsSelectionActive" Value="False" />
-								</MultiTrigger.Conditions>
-								<Setter Property="OpacityMask" TargetName="ItemBorder">
-									<Setter.Value>
-										<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-											<GradientStop Color="#99000000" Offset="0" />
-											<GradientStop Color="#B2000000" Offset="1" />
-										</LinearGradientBrush>
-									</Setter.Value>
-								</Setter>
-							</MultiTrigger>
-						</ControlTemplate.Triggers>
-					</ControlTemplate>
-				</Setter.Value>
-			</Setter>
-			</Style>
-	    
-		<Style x:Key="MultiResourceSelectionControlStyle" TargetType="{x:Type ListBoxItem}">
-			<Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
-			<Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
-			<Setter Property="Margin" Value="3,1,3,1" />
-			<Setter Property="Template">
-				<Setter.Value>
-					<ControlTemplate>
-						<Grid>
-							<Border CornerRadius="5" MinHeight="20" Background="{Binding Converter={StaticResource NewCalendarBackgroundConverter}}"></Border>
-							<Border x:Name="ItemBorder" CornerRadius="5" MinHeight="20" Background="#FF000000">
-								<Border.OpacityMask>
-									<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-										<GradientStop Color="#19000000" Offset="0" />
-										<GradientStop Color="#26000000" Offset="1" />
-									</LinearGradientBrush>
-								</Border.OpacityMask>
-							</Border>
-							<Border x:Name="ItemContent" CornerRadius="5" MinHeight="20">
-								<Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="5,3,5,3" OpacityMask="{x:Null}" SnapsToDevicePixels="True">
-									<Grid.ColumnDefinitions>
-										<ColumnDefinition Width="Auto" />
-										<ColumnDefinition Width="Auto" />
-										<ColumnDefinition Width="*" />
-										<ColumnDefinition Width="Auto" />
-									</Grid.ColumnDefinitions>
-									<Border Grid.Column="0" CornerRadius="2" Width="5" Height="15" Background="{Binding Converter={StaticResource ParticipationBrushConverter}}" BorderThickness="1" BorderBrush="{Binding Converter={StaticResource ParticipationBrushConverter}, ConverterParameter=Border}" />
-									<Rectangle Grid.Column="1" Width="10" Height="10" Fill="{Binding Path=Color, Converter={StaticResource StringBrushConverter}}" Stroke="Black" StrokeThickness="1" VerticalAlignment="Center" />
-									<TextBlock VerticalAlignment="Center" Grid.Column="2" Text="{Binding Converter={StaticResource TextFromIDataContractConverter}}" Margin="3,0,0,0" FontSize="12" Foreground="#FFD2D2D2" FontFamily="Microsoft Sans Serif" />
-									<Button x:Name="btnRemoveElement" Grid.Column="3" Grid.RowSpan="2" Width="15" Height="15" ToolTip="Element aus der Liste entfernen" Tag="{Binding}" Visibility="{Binding Converter={StaticResource RemoveElementVisibilityConverter}}" Style="{DynamicResource CloseButtonStyleSmall}" Click="BtnRemoveElement_Click" Margin="3,0,0,0" />
-								</Grid>
-							</Border>
-						</Grid>
-						<ControlTemplate.Triggers>
-							<Trigger Property="IsMouseOver" Value="True">
-								<Setter Property="OpacityMask" TargetName="ItemBorder">
-									<Setter.Value>
-										<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-											<GradientStop Color="#33000000" Offset="0" />
-											<GradientStop Color="#66000000" Offset="1" />
-										</LinearGradientBrush>
-									</Setter.Value>
-								</Setter>
-							</Trigger>
-							<Trigger Property="ListBoxItem.IsSelected" Value="True">
-								<Setter Property="OpacityMask" TargetName="ItemBorder">
-									<Setter.Value>
-										<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-											<GradientStop Color="#99000000" Offset="0" />
-											<GradientStop Color="#CC000000" Offset="1" />
-										</LinearGradientBrush>
-									</Setter.Value>
-								</Setter>
-							</Trigger>
-							<MultiTrigger>
-								<MultiTrigger.Conditions>
-									<Condition Property="ListBoxItem.IsSelected" Value="True" />
-									<Condition Property="Selector.IsSelectionActive" Value="False" />
-								</MultiTrigger.Conditions>
-								<Setter Property="OpacityMask" TargetName="ItemBorder">
-									<Setter.Value>
-										<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
-											<GradientStop Color="#99000000" Offset="0" />
-											<GradientStop Color="#B2000000" Offset="1" />
-										</LinearGradientBrush>
-									</Setter.Value>
-								</Setter>
-							</MultiTrigger>
-						</ControlTemplate.Triggers>
-					</ControlTemplate>
-				</Setter.Value>
-			</Setter>
-		</Style>
-	</localSchView:AbstractAppointmentEditForm.Resources>
+        <Style x:Key="MultiElementSelectionControlStyle" TargetType="{x:Type ListBoxItem}">
+            <Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
+            <Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
+            <Setter Property="Margin" Value="3,1,3,1" />
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate>
+                        <Grid>
+                            <Border
+                                MinHeight="20"
+                                Background="{Binding Converter={StaticResource NewCalendarBackgroundConverter}}"
+                                CornerRadius="5" />
+                            <Border
+                                x:Name="ItemBorder"
+                                MinHeight="20"
+                                Background="#FF000000"
+                                CornerRadius="5">
+                                <Border.OpacityMask>
+                                    <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                        <GradientStop Offset="0" Color="#19000000" />
+                                        <GradientStop Offset="1" Color="#26000000" />
+                                    </LinearGradientBrush>
+                                </Border.OpacityMask>
+                            </Border>
+                            <Border
+                                x:Name="ItemContent"
+                                MinHeight="20"
+                                CornerRadius="5">
+                                <Grid
+                                    Margin="5,3,5,3"
+                                    HorizontalAlignment="Stretch"
+                                    VerticalAlignment="Stretch"
+                                    OpacityMask="{x:Null}"
+                                    SnapsToDevicePixels="True">
+                                    <Grid.ColumnDefinitions>
+                                        <ColumnDefinition Width="Auto" />
+                                        <ColumnDefinition Width="*" />
+                                        <ColumnDefinition Width="Auto" />
+                                        <ColumnDefinition Width="Auto" />
+                                    </Grid.ColumnDefinitions>
+                                    <Border
+                                        Grid.Column="0"
+                                        Width="5"
+                                        Height="15"
+                                        Background="{Binding Converter={StaticResource ParticipationBrushConverter}}"
+                                        BorderBrush="{Binding Converter={StaticResource ParticipationBrushConverter}, ConverterParameter=Border}"
+                                        BorderThickness="1"
+                                        CornerRadius="2" />
+                                    <TextBlock
+                                        Grid.Column="1"
+                                        Margin="3,0,0,0"
+                                        VerticalAlignment="Center"
+                                        FontFamily="Microsoft Sans Serif"
+                                        FontSize="12"
+                                        Foreground="#FFD2D2D2"
+                                        Text="{Binding Converter={StaticResource TextFromIDataContractConverter}}" />
+                                    <Button
+                                        x:Name="btnInformation"
+                                        Grid.RowSpan="2"
+                                        Grid.Column="2"
+                                        Width="15"
+                                        Height="15"
+                                        Margin="3,0,0,0"
+                                        Click="btnInformation_Click"
+                                        Content="i"
+                                        Tag="{Binding}"
+                                        ToolTip="Informationen zur Auslastung anzeigen"
+                                        Visibility="{Binding Converter={StaticResource InformationVisibilityConverter}}" />
+                                    <Button
+                                        x:Name="btnRemoveElement"
+                                        Grid.RowSpan="2"
+                                        Grid.Column="3"
+                                        Width="15"
+                                        Height="15"
+                                        Margin="3,0,0,0"
+                                        Click="BtnRemoveElement_Click"
+                                        Style="{DynamicResource CloseButtonStyleSmall}"
+                                        Tag="{Binding}"
+                                        ToolTip="Element aus der Liste entfernen"
+                                        Visibility="{Binding Converter={StaticResource RemoveElementVisibilityConverter}}" />
+                                </Grid>
+                            </Border>
+                        </Grid>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#33000000" />
+                                            <GradientStop Offset="1" Color="#66000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </Trigger>
+                            <Trigger Property="ListBoxItem.IsSelected" Value="True">
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#99000000" />
+                                            <GradientStop Offset="1" Color="#CC000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </Trigger>
+                            <MultiTrigger>
+                                <MultiTrigger.Conditions>
+                                    <Condition Property="ListBoxItem.IsSelected" Value="True" />
+                                    <Condition Property="Selector.IsSelectionActive" Value="False" />
+                                </MultiTrigger.Conditions>
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#99000000" />
+                                            <GradientStop Offset="1" Color="#B2000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </MultiTrigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style>
+
+        <Style x:Key="MultiResourceSelectionControlStyle" TargetType="{x:Type ListBoxItem}">
+            <Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
+            <Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorLevel=1, AncestorType={x:Type ItemsControl}, Mode=FindAncestor}}" />
+            <Setter Property="Margin" Value="3,1,3,1" />
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate>
+                        <Grid>
+                            <Border
+                                MinHeight="20"
+                                Background="{Binding Converter={StaticResource NewCalendarBackgroundConverter}}"
+                                CornerRadius="5" />
+                            <Border
+                                x:Name="ItemBorder"
+                                MinHeight="20"
+                                Background="#FF000000"
+                                CornerRadius="5">
+                                <Border.OpacityMask>
+                                    <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                        <GradientStop Offset="0" Color="#19000000" />
+                                        <GradientStop Offset="1" Color="#26000000" />
+                                    </LinearGradientBrush>
+                                </Border.OpacityMask>
+                            </Border>
+                            <Border
+                                x:Name="ItemContent"
+                                MinHeight="20"
+                                CornerRadius="5">
+                                <Grid
+                                    Margin="5,3,5,3"
+                                    HorizontalAlignment="Stretch"
+                                    VerticalAlignment="Stretch"
+                                    OpacityMask="{x:Null}"
+                                    SnapsToDevicePixels="True">
+                                    <Grid.ColumnDefinitions>
+                                        <ColumnDefinition Width="Auto" />
+                                        <ColumnDefinition Width="Auto" />
+                                        <ColumnDefinition Width="*" />
+                                        <ColumnDefinition Width="Auto" />
+                                    </Grid.ColumnDefinitions>
+                                    <Border
+                                        Grid.Column="0"
+                                        Width="5"
+                                        Height="15"
+                                        Background="{Binding Converter={StaticResource ParticipationBrushConverter}}"
+                                        BorderBrush="{Binding Converter={StaticResource ParticipationBrushConverter}, ConverterParameter=Border}"
+                                        BorderThickness="1"
+                                        CornerRadius="2" />
+                                    <Rectangle
+                                        Grid.Column="1"
+                                        Width="10"
+                                        Height="10"
+                                        VerticalAlignment="Center"
+                                        Fill="{Binding Path=Color, Converter={StaticResource StringBrushConverter}}"
+                                        Stroke="Black"
+                                        StrokeThickness="1" />
+                                    <TextBlock
+                                        Grid.Column="2"
+                                        Margin="3,0,0,0"
+                                        VerticalAlignment="Center"
+                                        FontFamily="Microsoft Sans Serif"
+                                        FontSize="12"
+                                        Foreground="#FFD2D2D2"
+                                        Text="{Binding Converter={StaticResource TextFromIDataContractConverter}}" />
+                                    <Button
+                                        x:Name="btnRemoveElement"
+                                        Grid.RowSpan="2"
+                                        Grid.Column="3"
+                                        Width="15"
+                                        Height="15"
+                                        Margin="3,0,0,0"
+                                        Click="BtnRemoveElement_Click"
+                                        Style="{DynamicResource CloseButtonStyleSmall}"
+                                        Tag="{Binding}"
+                                        ToolTip="Element aus der Liste entfernen"
+                                        Visibility="{Binding Converter={StaticResource RemoveElementVisibilityConverter}}" />
+                                </Grid>
+                            </Border>
+                        </Grid>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#33000000" />
+                                            <GradientStop Offset="1" Color="#66000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </Trigger>
+                            <Trigger Property="ListBoxItem.IsSelected" Value="True">
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#99000000" />
+                                            <GradientStop Offset="1" Color="#CC000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </Trigger>
+                            <MultiTrigger>
+                                <MultiTrigger.Conditions>
+                                    <Condition Property="ListBoxItem.IsSelected" Value="True" />
+                                    <Condition Property="Selector.IsSelectionActive" Value="False" />
+                                </MultiTrigger.Conditions>
+                                <Setter TargetName="ItemBorder" Property="OpacityMask">
+                                    <Setter.Value>
+                                        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
+                                            <GradientStop Offset="0" Color="#99000000" />
+                                            <GradientStop Offset="1" Color="#B2000000" />
+                                        </LinearGradientBrush>
+                                    </Setter.Value>
+                                </Setter>
+                            </MultiTrigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style>
+    </localSchView:AbstractAppointmentEditForm.Resources>
     <Grid x:Name="FormContainer">
-		<Grid HorizontalAlignment="Stretch" Background="#0C000000">
-			<Grid.RowDefinitions>
-				<RowDefinition Height="Auto"/> <!-- 0 -->
-				<RowDefinition Height="Auto"/> <!-- 1 -->
-				<RowDefinition Height="Auto"/> <!-- 2 -->
-				<RowDefinition Height="Auto"/> <!-- 3 -->
-				<RowDefinition Height="Auto"/> <!-- 4 -->
-				<RowDefinition Height="Auto"/> <!-- 5 -->
-			    <RowDefinition Height="Auto"/> <!-- 6 -->
-			    <RowDefinition Height="Auto"/> <!-- 7 -->
-			    <RowDefinition Height="Auto"/> <!-- 8 -->
-			    <RowDefinition Height="Auto"/> <!-- 9 -->
-			    <RowDefinition Height="Auto"/> <!-- 10 -->
-			    <RowDefinition Height="Auto"/> <!-- 11 -->
-			    <RowDefinition Height="Auto"/> <!-- 12 -->
-			    <RowDefinition Height="*"/>    <!-- 13 -->
-			    <RowDefinition Height="Auto"/> <!-- 14 -->
-			    <RowDefinition Height="*"/>    <!-- 15 -->
-			    <RowDefinition Height="Auto"/> <!-- 16 -->
-			    <RowDefinition Height="Auto"/> <!-- 17 -->
-			    <RowDefinition Height="Auto"/> <!-- 18 -->
-			    <RowDefinition Height="Auto"/> <!-- 19 -->
+        <Grid HorizontalAlignment="Stretch" Background="#0C000000">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" /> 
+                <!--  0  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  1  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  2  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  3  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  4  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  5  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  6  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  7  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  8  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  9  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  10  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  11  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  12  -->
+                <RowDefinition Height="*" />    
+                <!--  13  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  14  -->
+                <RowDefinition Height="*" />    
+                <!--  15  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  16  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  17  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  18  -->
+                <RowDefinition Height="Auto" /> 
+                <!--  19  -->
             </Grid.RowDefinitions>
-			<Grid.ColumnDefinitions>
-				<ColumnDefinition Width="Auto" />
-				<ColumnDefinition Width="*" />
-				<ColumnDefinition Width="Auto" />
-				<ColumnDefinition Width="Auto" />
-				<ColumnDefinition Width="Auto" />
-			</Grid.ColumnDefinitions>
-			<!-- Region Betreff -->
-			<Label Content="Betreff" Grid.Column="0" Grid.Row="0" x:Name="BetreffLabel" />
-			<dxe:TextEdit x:Name="BetreffEditText" Grid.Column="1" Grid.Row="0" Grid.ColumnSpan="4" Margin="3" Height="23" EditValue="{Binding Controller.Subject}"/>
-			<!-- Endregion -->
-				
-			<!-- Region Ort -->
-			<Label x:Name="OrtLabel" Content="Ort" Grid.Column="0" Grid.Row="1" />
-			<dxe:TextEdit x:Name="Ort" Grid.Column="1" Grid.Row="1" Grid.ColumnSpan="4" Margin="3" Height="23" EditValue="{Binding Controller.Location}"/>
-			<!-- Endregion -->
-				
-			<!-- Region Start -->
-            <Label x:Name="StartLabel" Grid.Column="0" Grid.Row="2" VerticalAlignment="Center" Content="Start" />
-            <dxe:DateEdit Grid.Column="1" Grid.Row="2" MaskType="DateTimeAdvancingCaret" Background="White" 
-                          Height="23" MinWidth="80" Margin="3" EditValue="{Binding Controller.DisplayStartDate}" x:Name="StartDateDateEdit"
-                          EditValueChanged="StartDate_OnChange" />
-            <dxe:TextEdit Grid.Column="2" Grid.Row="2" IsEnabled="{Binding Path=Controller.AllDay, Converter={StaticResource BoolReverseConverter}}" 
-                          MaskType="DateTime" Mask="t" MaskUseAsDisplayFormat="True" Margin="3" Height="23" EditValueChanged="StartTimeTextEdit_OnEditValueChanged"
-                          EditValue ="{Binding Controller.DisplayStartTime, Converter={StaticResource TimeSpanToDateTimeConverter}}" x:Name="StartTimeTextEdit"/>
-            <dxe:CheckEdit x:Name="AllDay" Grid.Column="3" Grid.Row="2" Content="Ganztägig" EditValueChanged="AllDay_OnEditValueChanged" EditValue ="{Binding Controller.AllDay}" HorizontalAlignment="Right" Margin="3" />
-			<!-- Endregion -->
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="Auto" />
+            </Grid.ColumnDefinitions>
+            <!--  Region Betreff  -->
+            <Label
+                x:Name="BetreffLabel"
+                Grid.Row="0"
+                Grid.Column="0"
+                Content="Betreff" />
+            <dxe:TextEdit
+                x:Name="BetreffEditText"
+                Grid.Row="0"
+                Grid.Column="1"
+                Grid.ColumnSpan="4"
+                Height="23"
+                Margin="3"
+                EditValue="{Binding Controller.Subject}" />
+            <!--  Endregion  -->
 
-			<!-- Region Ende -->
-			<Label x:Name="EndLabel" Grid.Column="0" Grid.Row="3" VerticalAlignment="Center" Content="Ende"/>
-			<dxe:DateEdit Grid.Column="1" Grid.Row="3" MaskType="DateTimeAdvancingCaret" Background="White" Height="23" MinWidth="80" 
-                          Margin="3" EditValue="{Binding Controller.DisplayEndDate}" x:Name="EndDate"
-                          EditValueChanged="EndDate_OnChange" />
-            <dxe:TextEdit Grid.Column="2" Grid.Row="3" IsEnabled="{Binding Path=Controller.AllDay, Converter={StaticResource BoolReverseConverter}}" 
-                          MaskType="DateTime" Mask="t" MaskUseAsDisplayFormat="True" Margin="3" Height="23" EditValueChanged="EndTimeTextEdit_OnEditValueChanged"
-                          EditValue ="{Binding Controller.DisplayEndTime, Converter={StaticResource TimeSpanToDateTimeConverter}}" x:Name="EndTime"/>
-			<!-- Endregion -->
+            <!--  Region Ort  -->
+            <Label
+                x:Name="OrtLabel"
+                Grid.Row="1"
+                Grid.Column="0"
+                Content="Ort" />
+            <dxe:TextEdit
+                x:Name="Ort"
+                Grid.Row="1"
+                Grid.Column="1"
+                Grid.ColumnSpan="4"
+                Height="23"
+                Margin="3"
+                EditValue="{Binding Controller.Location}" />
+            <!--  Endregion  -->
 
-            <!-- Region Zu erledigen bis (Aufgabe) -->
-            <Label Visibility="Collapsed" Grid.Column="0" Grid.Row="4" x:Name="DueDateLabel" VerticalAlignment="Center" Content="Zu erledigen bis" />
-            <dxe:DateEdit Visibility="Collapsed" Grid.Column="1" Grid.ColumnSpan="2" Grid.Row="4" AllowNullInput="True" x:Name="DueDate" 
-						  EditValueChanged="DueDate_OnEditValueChanged"
-                          MaskType="DateTimeAdvancingCaret" Background="White" Height="23" MinWidth="80" Margin="3" EditValue="{Binding Controller.DisplayDueDateDate}" />
-            <dxe:TextEdit Visibility="Collapsed" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="4" Width="38" AllowNullInput="True" 
-                          x:Name="DueDateTime" MaskType="DateTime" Mask="t" MaskUseAsDisplayFormat="True" Margin="3" Height="23" EditValue ="{Binding Controller.DisplayDueDateTime}" />
-		    <!-- Endregion -->
+            <!--  Region Start  -->
+            <Label
+                x:Name="StartLabel"
+                Grid.Row="2"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="Start" />
+            <dxe:DateEdit
+                x:Name="StartDateDateEdit"
+                Grid.Row="2"
+                Grid.Column="1"
+                Height="23"
+                MinWidth="80"
+                Margin="3"
+                Background="White"
+                EditValue="{Binding Controller.DisplayStartDate}"
+                EditValueChanged="StartDate_OnChange"
+                MaskType="DateTimeAdvancingCaret" />
+            <dxe:TextEdit
+                x:Name="StartTimeTextEdit"
+                Grid.Row="2"
+                Grid.Column="2"
+                Height="23"
+                Margin="3"
+                EditValue="{Binding Controller.DisplayStartTime, Converter={StaticResource TimeSpanToDateTimeConverter}}"
+                EditValueChanged="StartTimeTextEdit_OnEditValueChanged"
+                IsEnabled="{Binding Path=Controller.AllDay, Converter={StaticResource BoolReverseConverter}}"
+                Mask="t"
+                MaskType="DateTime"
+                MaskUseAsDisplayFormat="True" />
+            <dxe:CheckEdit
+                x:Name="AllDay"
+                Grid.Row="2"
+                Grid.Column="3"
+                Margin="3"
+                HorizontalAlignment="Right"
+                Content="Ganztägig"
+                EditValue="{Binding Controller.AllDay}"
+                EditValueChanged="AllDay_OnEditValueChanged" />
+            <!--  Endregion  -->
 
-            <!-- Region Mitarbeiter -->
-            <Label Grid.Row="5" Grid.Column="0" VerticalAlignment="Center" Content="{t:Translate MitarbeiterPlural}"/>
-			<Grid Grid.Column="1" Grid.Row="5" Height="23" Margin="3,3,0,3" Grid.ColumnSpan="3">
-				<Grid.ColumnDefinitions>
-					<ColumnDefinition Width="*" />
-					<ColumnDefinition Width="Auto" />
-				</Grid.ColumnDefinitions>
-				<TextBox IsReadOnly="True" Grid.Column="0" Grid.ColumnSpan="2" Text="{Binding CountSelectedEmployees, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" Margin="0" />
-                <ToggleButton Grid.Column="1" x:Name="MitarbeiterToggleButton" IsThreeState="False" Margin="0,0,2,0" Height="19" Width="19" ToolTip="{markup:Translate Ausgewählte Mitarbeiter anzeigen}" Style="{StaticResource ExpanderLookAlikeToggleBotton}"/>
-			</Grid>
-			<Popup Grid.Column="1" Grid.Row="5" Margin="10" Name="PopupEmployee" StaysOpen="False" Placement="MousePoint" Width="450" Height="300" >
-				<search:MultiEmployeeSearch x:Name="MultiEmployeeSearch" ResultListBackground="{StaticResource EmployeeListBrush}" SelectionChanged="MultiEmployeeSearch_OnSelectionChanged" SelectedEmployees="{Binding Controller.EmployeeList, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" />
-			</Popup>
-			<Button x:Name="MitarbeiterPopUpOeffnenBtn" Grid.Column="4" Grid.Row="5" Width="20" Height="20" Margin="3,0,3,0" VerticalAlignment="Center" Click="EmployeePopupClick">
-				<Grid Width="18" HorizontalAlignment="Center" VerticalAlignment="Center">
-					<Line X1="4" X2="12" Y1="8" Y2="8" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-					<Line X1="8" X2="8" Y1="4" Y2="12" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-				</Grid>
-			</Button>
-			<ListBox Grid.Column="1" Grid.Row="6" Background="{StaticResource ObjectEditBackgroundBrush}" Margin="4,0,1,4" ItemsSource="{Binding Path=SelectedEmployees, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" IsSynchronizedWithCurrentItem="True"
-						HorizontalAlignment="Stretch" VerticalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.ColumnSpan="3" x:Name="SelectedMitarbeiter"
-						ItemContainerStyle="{DynamicResource MultiElementSelectionControlStyle}" MaxHeight="70" Height="70"
-						Visibility="{Binding IsChecked, ElementName=MitarbeiterToggleButton, Converter={StaticResource BoolVisibilityConverter}}">
-				<ListBox.Template>
-					<ControlTemplate TargetType="{x:Type ListBox}">
-						<Border x:Name="Bd" SnapsToDevicePixels="True" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}">
-							<ScrollViewer Focusable="False" Padding="{TemplateBinding Padding}" HorizontalScrollBarVisibility="Disabled">
-								<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-							</ScrollViewer>
-						</Border>
-					</ControlTemplate>
-				</ListBox.Template>
-			</ListBox>
-			<!-- Endregion -->
-				
-			<!-- Region Klienten -->
-            <Label x:Name="CustomersLabel" Grid.Column="0" Grid.Row="7" VerticalAlignment="Center" Content="{markup:Translate Klienten}"/>
-            <Grid x:Name="CustomersGrid" Grid.Column="1" Grid.Row="7" Height="23" Margin="3,3,0,3" Grid.ColumnSpan="3">
-				<Grid.ColumnDefinitions>
-					<ColumnDefinition Width="*" />
-					<ColumnDefinition Width="Auto" />
-				</Grid.ColumnDefinitions>
-				<TextBox IsReadOnly="True" Grid.Column="0" Grid.ColumnSpan="2" Text="{Binding CountSelectedCustomers, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
-                <ToggleButton Grid.Column="1" x:Name="KlientenToggleButton" IsThreeState="False" Margin="0,0,2,0" Height="19" Width="19" ToolTip="{markup:Translate Ausgewählte Klienten anzeigen}" Style="{StaticResource ExpanderLookAlikeToggleBotton}"/>
-			</Grid>
-			<Button x:Name="KlientenPopUpOeffnenBtn" Grid.Column="4" Grid.Row="7" Width="20" Height="20" Margin="3,0,3,0" VerticalAlignment="Center" Click="CustomerPopUpEditClick">
-				<Grid Width="18" HorizontalAlignment="Center" VerticalAlignment="Center">
-					<Line X1="4" X2="12" Y1="8" Y2="8" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-					<Line X1="8" X2="8" Y1="4" Y2="12" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-				</Grid>
-			</Button>
-			<Popup Grid.Column="1" Grid.Row="7" Margin="10" Name="CustomerSearchViewPopup" StaysOpen="False" Placement="MousePoint" Width="450" Height="300" >
-				<search:MultiCustomerSearchView x:Name="MultiCustomerSearch" ResultListBackground="{StaticResource CustomerListBrush}" SelectionChanged="MultiCustomerSearch_OnSelectionChanged" SelectedCustomers="{Binding Controller.CustomerList, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" />
-			</Popup>
-            <ListBox Grid.Column="1" Grid.Row="8" Background="{StaticResource ObjectEditBackgroundBrush}" Margin="4,0,1,4" ItemsSource="{Binding Path=SelectedCustomers, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" IsSynchronizedWithCurrentItem="True"
-						HorizontalAlignment="Stretch" VerticalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.ColumnSpan="3"
-						ItemContainerStyle="{DynamicResource MultiElementSelectionControlStyle}" MaxHeight="70" Height="70" x:Name="SelectedCustomersListBox"
-						Visibility="{Binding IsChecked, ElementName=KlientenToggleButton, Converter={StaticResource BoolVisibilityConverter}}">
-				<ListBox.Template>
-					<ControlTemplate TargetType="{x:Type ListBox}">
-						<Border x:Name="Bd" SnapsToDevicePixels="True" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}">
-							<ScrollViewer Focusable="False" Padding="{TemplateBinding Padding}" HorizontalScrollBarVisibility="Disabled">
-								<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-							</ScrollViewer>
-						</Border>
-					</ControlTemplate>
-				</ListBox.Template>
+            <!--  Region Ende  -->
+            <Label
+                x:Name="EndLabel"
+                Grid.Row="3"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="Ende" />
+            <dxe:DateEdit
+                x:Name="EndDate"
+                Grid.Row="3"
+                Grid.Column="1"
+                Height="23"
+                MinWidth="80"
+                Margin="3"
+                Background="White"
+                EditValue="{Binding Controller.DisplayEndDate}"
+                EditValueChanged="EndDate_OnChange"
+                MaskType="DateTimeAdvancingCaret" />
+            <dxe:TextEdit
+                x:Name="EndTime"
+                Grid.Row="3"
+                Grid.Column="2"
+                Height="23"
+                Margin="3"
+                EditValue="{Binding Controller.DisplayEndTime, Converter={StaticResource TimeSpanToDateTimeConverter}}"
+                EditValueChanged="EndTimeTextEdit_OnEditValueChanged"
+                IsEnabled="{Binding Path=Controller.AllDay, Converter={StaticResource BoolReverseConverter}}"
+                Mask="t"
+                MaskType="DateTime"
+                MaskUseAsDisplayFormat="True" />
+            <!--  Endregion  -->
+
+            <!--  Region Zu erledigen bis (Aufgabe)  -->
+            <Label
+                x:Name="DueDateLabel"
+                Grid.Row="4"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="Zu erledigen bis"
+                Visibility="Collapsed" />
+            <dxe:DateEdit
+                x:Name="DueDate"
+                Grid.Row="4"
+                Grid.Column="1"
+                Grid.ColumnSpan="2"
+                Height="23"
+                MinWidth="80"
+                Margin="3"
+                AllowNullInput="True"
+                Background="White"
+                EditValue="{Binding Controller.DisplayDueDateDate}"
+                EditValueChanged="DueDate_OnEditValueChanged"
+                MaskType="DateTimeAdvancingCaret"
+                Visibility="Collapsed" />
+            <dxe:TextEdit
+                x:Name="DueDateTime"
+                Grid.Row="4"
+                Grid.Column="3"
+                Grid.ColumnSpan="2"
+                Width="38"
+                Height="23"
+                Margin="3"
+                AllowNullInput="True"
+                EditValue="{Binding Controller.DisplayDueDateTime}"
+                Mask="t"
+                MaskType="DateTime"
+                MaskUseAsDisplayFormat="True"
+                Visibility="Collapsed" />
+            <!--  Endregion  -->
+
+            <!--  Region Mitarbeiter  -->
+            <Label
+                Grid.Row="5"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="{t:Translate MitarbeiterPlural}" />
+            <Grid
+                Grid.Row="5"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="23"
+                Margin="3,3,0,3">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+                <TextBox
+                    Grid.Column="0"
+                    Grid.ColumnSpan="2"
+                    Margin="0"
+                    IsReadOnly="True"
+                    Text="{Binding CountSelectedEmployees, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
+                <ToggleButton
+                    x:Name="MitarbeiterToggleButton"
+                    Grid.Column="1"
+                    Width="19"
+                    Height="19"
+                    Margin="0,0,2,0"
+                    IsThreeState="False"
+                    Style="{StaticResource ExpanderLookAlikeToggleBotton}"
+                    ToolTip="{markup:Translate Ausgewählte Mitarbeiter anzeigen}" />
+            </Grid>
+            <Popup
+                Name="PopupEmployee"
+                Grid.Row="5"
+                Grid.Column="1"
+                Width="450"
+                Height="300"
+                Margin="10"
+                Placement="MousePoint"
+                StaysOpen="False">
+                <search:MultiEmployeeSearch
+                    x:Name="MultiEmployeeSearch"
+                    ResultListBackground="{StaticResource EmployeeListBrush}"
+                    SelectedEmployees="{Binding Controller.EmployeeList, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
+                    SelectionChanged="MultiEmployeeSearch_OnSelectionChanged" />
+            </Popup>
+            <Button
+                x:Name="MitarbeiterPopUpOeffnenBtn"
+                Grid.Row="5"
+                Grid.Column="4"
+                Width="20"
+                Height="20"
+                Margin="3,0,3,0"
+                VerticalAlignment="Center"
+                Click="EmployeePopupClick">
+                <Grid
+                    Width="18"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center">
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="4"
+                        X2="12"
+                        Y1="8"
+                        Y2="8" />
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="8"
+                        X2="8"
+                        Y1="4"
+                        Y2="12" />
+                </Grid>
+            </Button>
+            <ListBox
+                x:Name="SelectedMitarbeiter"
+                Grid.Row="6"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="70"
+                MaxHeight="70"
+                Margin="4,0,1,4"
+                HorizontalAlignment="Stretch"
+                VerticalAlignment="Stretch"
+                HorizontalContentAlignment="Stretch"
+                Background="{StaticResource ObjectEditBackgroundBrush}"
+                IsSynchronizedWithCurrentItem="True"
+                ItemContainerStyle="{DynamicResource MultiElementSelectionControlStyle}"
+                ItemsSource="{Binding Path=SelectedEmployees, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
+                Visibility="{Binding IsChecked, ElementName=MitarbeiterToggleButton, Converter={StaticResource BoolVisibilityConverter}}">
+                <ListBox.Template>
+                    <ControlTemplate TargetType="{x:Type ListBox}">
+                        <Border
+                            x:Name="Bd"
+                            Background="{TemplateBinding Background}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            SnapsToDevicePixels="True">
+                            <ScrollViewer
+                                Padding="{TemplateBinding Padding}"
+                                Focusable="False"
+                                HorizontalScrollBarVisibility="Disabled">
+                                <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
+                            </ScrollViewer>
+                        </Border>
+                    </ControlTemplate>
+                </ListBox.Template>
+            </ListBox>
+            <!--  Endregion  -->
+
+            <!--  Region Klienten  -->
+            <Label
+                x:Name="CustomersLabel"
+                Grid.Row="7"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="{markup:Translate Klienten}" />
+            <Grid
+                x:Name="CustomersGrid"
+                Grid.Row="7"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="23"
+                Margin="3,3,0,3">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+                <TextBox
+                    Grid.Column="0"
+                    Grid.ColumnSpan="2"
+                    IsReadOnly="True"
+                    Text="{Binding CountSelectedCustomers, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
+                <ToggleButton
+                    x:Name="KlientenToggleButton"
+                    Grid.Column="1"
+                    Width="19"
+                    Height="19"
+                    Margin="0,0,2,0"
+                    IsThreeState="False"
+                    Style="{StaticResource ExpanderLookAlikeToggleBotton}"
+                    ToolTip="{markup:Translate Ausgewählte Klienten anzeigen}" />
+            </Grid>
+            <Button
+                x:Name="KlientenPopUpOeffnenBtn"
+                Grid.Row="7"
+                Grid.Column="4"
+                Width="20"
+                Height="20"
+                Margin="3,0,3,0"
+                VerticalAlignment="Center"
+                Click="CustomerPopUpEditClick">
+                <Grid
+                    Width="18"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center">
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="4"
+                        X2="12"
+                        Y1="8"
+                        Y2="8" />
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="8"
+                        X2="8"
+                        Y1="4"
+                        Y2="12" />
+                </Grid>
+            </Button>
+            <Popup
+                Name="CustomerSearchViewPopup"
+                Grid.Row="7"
+                Grid.Column="1"
+                Width="450"
+                Height="300"
+                Margin="10"
+                Placement="MousePoint"
+                StaysOpen="False">
+                <search:MultiCustomerSearchView
+                    x:Name="MultiCustomerSearch"
+                    ResultListBackground="{StaticResource CustomerListBrush}"
+                    SelectedCustomers="{Binding Controller.CustomerList, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
+                    SelectionChanged="MultiCustomerSearch_OnSelectionChanged" />
+            </Popup>
+            <ListBox
+                x:Name="SelectedCustomersListBox"
+                Grid.Row="8"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="70"
+                MaxHeight="70"
+                Margin="4,0,1,4"
+                HorizontalAlignment="Stretch"
+                VerticalAlignment="Stretch"
+                HorizontalContentAlignment="Stretch"
+                Background="{StaticResource ObjectEditBackgroundBrush}"
+                IsSynchronizedWithCurrentItem="True"
+                ItemContainerStyle="{DynamicResource MultiElementSelectionControlStyle}"
+                ItemsSource="{Binding Path=SelectedCustomers, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
+                Visibility="{Binding IsChecked, ElementName=KlientenToggleButton, Converter={StaticResource BoolVisibilityConverter}}">
+                <ListBox.Template>
+                    <ControlTemplate TargetType="{x:Type ListBox}">
+                        <Border
+                            x:Name="Bd"
+                            Background="{TemplateBinding Background}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            SnapsToDevicePixels="True">
+                            <ScrollViewer
+                                Padding="{TemplateBinding Padding}"
+                                Focusable="False"
+                                HorizontalScrollBarVisibility="Disabled">
+                                <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
+                            </ScrollViewer>
+                        </Border>
+                    </ControlTemplate>
+                </ListBox.Template>
                 <!--<ListBox.ItemTemplate>
                     <DataTemplate>
                         <Button Content="i"></Button>
                     </DataTemplate>
                 </ListBox.ItemTemplate>-->
-			</ListBox>
-			<!-- Endregion -->
-				
-			<!-- Region Ressourcen -->
-			<Label Grid.Column="0" Grid.Row="9" VerticalAlignment="Center" Content="Ressourcen" x:Name="ResourceLabel" />
-			<Grid Grid.Column="1" Grid.Row="9" Height="23" Margin="3,3,0,3" Grid.ColumnSpan="3" x:Name="ResourceToggleButtonGrid" >
-				<Grid.ColumnDefinitions>
-					<ColumnDefinition Width="*" />
-					<ColumnDefinition Width="Auto" />
-				</Grid.ColumnDefinitions>
-				<TextBox IsReadOnly="True" Grid.Column="0" Grid.ColumnSpan="2" Text="{Binding CountSelectedResources, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
-				<ToggleButton Grid.Column="1" x:Name="RessourcenToggleButton" IsThreeState="False" Margin="0,0,2,0" Height="19" Width="19" ToolTip="Ausgewählte Ressourcen anzeigen" Style="{StaticResource ExpanderLookAlikeToggleBotton}"/>
-			</Grid>
-			<Button x:Name="RessourcenPopUpOeffnenBtn" Grid.Column="4" Grid.Row="9" Width="20" Height="20" Margin="3,0,3,0" VerticalAlignment="Center" Click="ResourcePopUpClick">
-				<Grid Width="18" HorizontalAlignment="Center" VerticalAlignment="Center">
-					<Line X1="4" X2="12" Y1="8" Y2="8" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-					<Line X1="8" X2="8" Y1="4" Y2="12" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-				</Grid>
-			</Button>
-			<Popup Grid.Column="1" Grid.Row="9" Margin="10" Name="PopupResource" StaysOpen="False" Placement="MousePoint" Width="450" Height="300">
-				<search:ResourcesTreeSearchView x:Name="ResourcesTreeSearchView" ResultListBackground="{StaticResource ResourceContentBrush}" SelectionChanged="ResourcesTreeSearchView_OnSelectionChanged" SelectedResources="{Binding Controller.ResourceList}" />
-			</Popup>
-			<ListBox x:Name="ResourceListBox" Grid.Column="1" Grid.Row="10" Background="{StaticResource ObjectEditBackgroundBrush}" Margin="4,0,1,4" ItemsSource="{Binding Path=SelectedResources}" IsSynchronizedWithCurrentItem="True"
-						HorizontalAlignment="Stretch" VerticalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.ColumnSpan="3" 
-						ItemContainerStyle="{StaticResource MultiResourceSelectionControlStyle}" MaxHeight="70" Height="70"
-						Visibility="{Binding IsChecked, ElementName=RessourcenToggleButton, Converter={StaticResource BoolVisibilityConverter}}">
-				<ListBox.Template>
-					<ControlTemplate TargetType="{x:Type ListBox}">
-						<Border x:Name="Bd" SnapsToDevicePixels="True" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}">
-							<ScrollViewer Focusable="False" Padding="{TemplateBinding Padding}" HorizontalScrollBarVisibility="Disabled">
-								<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-							</ScrollViewer>
-						</Border>
-					</ControlTemplate>
-				</ListBox.Template>
-			</ListBox>
-			<!-- Endregion -->
-
-            <!-- Region Hilfeplan (Aufgabe) -->
-            <Label Grid.Column="0" Grid.Row="11" VerticalAlignment="Center" Content="Hilfeplan" Visibility="Collapsed" x:Name="SupportConceptBtn" />
-            <Button x:Name="SupportConceptsPopUpOeffnenBtn" Grid.Column="4" Grid.Row="11" Width="20" Height="20" Margin="3,0,3,0" VerticalAlignment="Center" Click="SupportConceptsPopUpClick" Visibility="Collapsed">
-              <Grid Width="18" HorizontalAlignment="Center" VerticalAlignment="Center">
-                  <Line X1="4" X2="12" Y1="8" Y2="8" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-                  <Line X1="8" X2="8" Y1="4" Y2="12" Fill="{x:Null}" Stroke="#FFFFFFFF" StrokeStartLineCap="Round" StrokeEndLineCap="Round" StrokeThickness="2" HorizontalAlignment="Center" VerticalAlignment="Center" Width="16" Height="16" />
-              </Grid>
-            </Button>
-            <Popup Grid.Column="1" Grid.Row="11" Margin="10" Name="PopupSupportConcepts" StaysOpen="False" Placement="MousePoint" Width="450" Height="300">
-            <search:SupportConceptSearchView x:Name="SupportConceptsTreeSearchView" ItemSelected="SupportConceptSelectionControl_ItemSelected" ShowFilterPanel="True" />
-            </Popup>
-            <ListBox Grid.Column="1" Grid.Row="11" Background="White" Margin="4,0,1,4" ItemsSource="{Binding Path=SelectedSupportConcepts, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" IsSynchronizedWithCurrentItem="True" 
-			         HorizontalAlignment="Stretch" VerticalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.ColumnSpan="3" Name="SelectedSupportConceptsListBox" 
-			         ItemContainerStyle="{StaticResource MultiSupportConceptSelectionControlStyle}" MaxHeight="35" Height="35" Visibility="Collapsed">
-              <ListBox.Template>
-                  <ControlTemplate TargetType="{x:Type ListBox}">
-                      <Border x:Name="Bd" SnapsToDevicePixels="True" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}">
-                          <ScrollViewer Focusable="False" Padding="{TemplateBinding Padding}" HorizontalScrollBarVisibility="Disabled">
-                              <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-                          </ScrollViewer>
-                      </Border>
-                  </ControlTemplate>
-              </ListBox.Template>
             </ListBox>
-	        <!-- Endregion -->
+            <!--  Endregion  -->
 
-            <!-- Region Beschreibung (Aufgabe) -->
-            <Label x:Name="TaskDescriptionLabel" Visibility="Collapsed" Grid.Column="0" Grid.Row="13" VerticalAlignment="Top" Content="Beschreibung"/>
-            <TextBox Visibility="Collapsed" Grid.Column="1" Grid.Row="13" Grid.ColumnSpan="4" AcceptsReturn="True" VerticalScrollBarVisibility="Auto"
-		            HorizontalScrollBarVisibility="Disabled" Height="45" Margin="3" TextWrapping="Wrap" x:Name="TaskDescription"
-		            Text="{Binding Path=Controller.TaskDescription, UpdateSourceTrigger=PropertyChanged}" MaxLength="1024" />
-            <!-- Endregion -->
+            <!--  Region Ressourcen  -->
+            <Label
+                x:Name="ResourceLabel"
+                Grid.Row="9"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="Ressourcen" />
+            <Grid
+                x:Name="ResourceToggleButtonGrid"
+                Grid.Row="9"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="23"
+                Margin="3,3,0,3">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+                <TextBox
+                    Grid.Column="0"
+                    Grid.ColumnSpan="2"
+                    IsReadOnly="True"
+                    Text="{Binding CountSelectedResources, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
+                <ToggleButton
+                    x:Name="RessourcenToggleButton"
+                    Grid.Column="1"
+                    Width="19"
+                    Height="19"
+                    Margin="0,0,2,0"
+                    IsThreeState="False"
+                    Style="{StaticResource ExpanderLookAlikeToggleBotton}"
+                    ToolTip="Ausgewählte Ressourcen anzeigen" />
+            </Grid>
+            <Button
+                x:Name="RessourcenPopUpOeffnenBtn"
+                Grid.Row="9"
+                Grid.Column="4"
+                Width="20"
+                Height="20"
+                Margin="3,0,3,0"
+                VerticalAlignment="Center"
+                Click="ResourcePopUpClick">
+                <Grid
+                    Width="18"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center">
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="4"
+                        X2="12"
+                        Y1="8"
+                        Y2="8" />
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="8"
+                        X2="8"
+                        Y1="4"
+                        Y2="12" />
+                </Grid>
+            </Button>
+            <Popup
+                Name="PopupResource"
+                Grid.Row="9"
+                Grid.Column="1"
+                Width="450"
+                Height="300"
+                Margin="10"
+                Placement="MousePoint"
+                StaysOpen="False">
+                <search:ResourcesTreeSearchView
+                    x:Name="ResourcesTreeSearchView"
+                    ResultListBackground="{StaticResource ResourceContentBrush}"
+                    SelectedResources="{Binding Controller.ResourceList}"
+                    SelectionChanged="ResourcesTreeSearchView_OnSelectionChanged" />
+            </Popup>
+            <ListBox
+                x:Name="ResourceListBox"
+                Grid.Row="10"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="70"
+                MaxHeight="70"
+                Margin="4,0,1,4"
+                HorizontalAlignment="Stretch"
+                VerticalAlignment="Stretch"
+                HorizontalContentAlignment="Stretch"
+                Background="{StaticResource ObjectEditBackgroundBrush}"
+                IsSynchronizedWithCurrentItem="True"
+                ItemContainerStyle="{StaticResource MultiResourceSelectionControlStyle}"
+                ItemsSource="{Binding Path=SelectedResources}"
+                Visibility="{Binding IsChecked, ElementName=RessourcenToggleButton, Converter={StaticResource BoolVisibilityConverter}}">
+                <ListBox.Template>
+                    <ControlTemplate TargetType="{x:Type ListBox}">
+                        <Border
+                            x:Name="Bd"
+                            Background="{TemplateBinding Background}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            SnapsToDevicePixels="True">
+                            <ScrollViewer
+                                Padding="{TemplateBinding Padding}"
+                                Focusable="False"
+                                HorizontalScrollBarVisibility="Disabled">
+                                <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
+                            </ScrollViewer>
+                        </Border>
+                    </ControlTemplate>
+                </ListBox.Template>
+            </ListBox>
+            <!--  Endregion  -->
 
-		    <!-- Region Erledigt am (Aufgabe) -->
-            <Label Visibility="Collapsed" x:Name="CompletedDateLabel" Grid.Column="0" Grid.Row="14" VerticalAlignment="Center" Content="Erledigt am" />
-            <dxe:DateEdit Visibility="Collapsed" x:Name="CompletedDate" Grid.Column="1" Grid.ColumnSpan="4" Grid.Row="14" 
-                        MaskType="DateTimeAdvancingCaret" Background="White" Height="23" MinWidth="80" Margin="3" EditValue="{Binding Controller.DisplayCompletedDateDate}" />
-            <!-- Endregion -->
+            <!--  Region Hilfeplan (Aufgabe)  -->
+            <Label
+                x:Name="SupportConceptBtn"
+                Grid.Row="11"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="Hilfeplan"
+                Visibility="Collapsed" />
+            <Button
+                x:Name="SupportConceptsPopUpOeffnenBtn"
+                Grid.Row="11"
+                Grid.Column="4"
+                Width="20"
+                Height="20"
+                Margin="3,0,3,0"
+                VerticalAlignment="Center"
+                Click="SupportConceptsPopUpClick"
+                Visibility="Collapsed">
+                <Grid
+                    Width="18"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center">
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="4"
+                        X2="12"
+                        Y1="8"
+                        Y2="8" />
+                    <Line
+                        Width="16"
+                        Height="16"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        Fill="{x:Null}"
+                        Stroke="#FFFFFFFF"
+                        StrokeEndLineCap="Round"
+                        StrokeStartLineCap="Round"
+                        StrokeThickness="2"
+                        X1="8"
+                        X2="8"
+                        Y1="4"
+                        Y2="12" />
+                </Grid>
+            </Button>
+            <Popup
+                Name="PopupSupportConcepts"
+                Grid.Row="11"
+                Grid.Column="1"
+                Width="450"
+                Height="300"
+                Margin="10"
+                Placement="MousePoint"
+                StaysOpen="False">
+                <search:SupportConceptSearchView
+                    x:Name="SupportConceptsTreeSearchView"
+                    ItemSelected="SupportConceptSelectionControl_ItemSelected"
+                    ShowFilterPanel="True" />
+            </Popup>
+            <ListBox
+                Name="SelectedSupportConceptsListBox"
+                Grid.Row="11"
+                Grid.Column="1"
+                Grid.ColumnSpan="3"
+                Height="35"
+                MaxHeight="35"
+                Margin="4,0,1,4"
+                HorizontalAlignment="Stretch"
+                VerticalAlignment="Stretch"
+                HorizontalContentAlignment="Stretch"
+                Background="White"
+                IsSynchronizedWithCurrentItem="True"
+                ItemContainerStyle="{StaticResource MultiSupportConceptSelectionControlStyle}"
+                ItemsSource="{Binding Path=SelectedSupportConcepts, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
+                Visibility="Collapsed">
+                <ListBox.Template>
+                    <ControlTemplate TargetType="{x:Type ListBox}">
+                        <Border
+                            x:Name="Bd"
+                            Background="{TemplateBinding Background}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            SnapsToDevicePixels="True">
+                            <ScrollViewer
+                                Padding="{TemplateBinding Padding}"
+                                Focusable="False"
+                                HorizontalScrollBarVisibility="Disabled">
+                                <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
+                            </ScrollViewer>
+                        </Border>
+                    </ControlTemplate>
+                </ListBox.Template>
+            </ListBox>
+            <!--  Endregion  -->
 
-            <!-- Region Notiz -->
-			<Label x:Name="NoticeLabel" Grid.Column="0" Grid.Row="15" VerticalAlignment="Top" Content="Notiz"/>
-			<TextBox Grid.Column="1" Grid.Row="15" Grid.ColumnSpan="4" AcceptsReturn="True" VerticalScrollBarVisibility="Auto"
-						HorizontalScrollBarVisibility="Disabled" Height="45" Margin="3" TextWrapping="Wrap" x:Name="Notice"
-						Text="{Binding Path=Controller.Description, UpdateSourceTrigger=PropertyChanged}" MaxLength="1024" />
-			<!-- Endregion -->
-				
-			<!-- Region Serienmuster -->
-            <Label x:Name="SerienLabel" Grid.Column="0" Grid.Row="16" Content="Wiederholung" Margin="3" />
-            <dxe:ComboBoxEdit Grid.Column="1" Grid.Row="16" Grid.ColumnSpan="4" x:Name="EdtRecurrenceType" Margin="3"
-							ItemsSource="{Binding RecurrenceVisualController.RecurrenceElements}" 
-							EditValue="{Binding RecurrenceVisualController.RecurrenceElement, UpdateSourceTrigger=PropertyChanged}" IsTextEditable="False">
-				<dxe:ComboBoxEdit.ItemTemplate>
-					<DataTemplate>
-						<TextBlock Text="{Binding Description, Converter={StaticResource Recurrence2GermanConverter}}" />
-					</DataTemplate>
-				</dxe:ComboBoxEdit.ItemTemplate>
-			</dxe:ComboBoxEdit>
+            <!--  Region Beschreibung (Aufgabe)  -->
+            <Label
+                x:Name="TaskDescriptionLabel"
+                Grid.Row="13"
+                Grid.Column="0"
+                VerticalAlignment="Top"
+                Content="Beschreibung"
+                Visibility="Collapsed" />
+            <TextBox
+                x:Name="TaskDescription"
+                Grid.Row="13"
+                Grid.Column="1"
+                Grid.ColumnSpan="4"
+                Height="45"
+                Margin="3"
+                AcceptsReturn="True"
+                HorizontalScrollBarVisibility="Disabled"
+                MaxLength="1024"
+                Text="{Binding Path=Controller.TaskDescription, UpdateSourceTrigger=PropertyChanged}"
+                TextWrapping="Wrap"
+                VerticalScrollBarVisibility="Auto"
+                Visibility="Collapsed" />
+            <!--  Endregion  -->
 
-            <Grid x:Name="SerienGrid" Grid.Column="0" Grid.Row="17" Grid.ColumnSpan="5" Visibility="{Binding RecurrenceVisualController.EnableRecurrence, Converter={StaticResource BoolVisibilityConverter}}" >
-				<StackPanel>
-					<dx:GroupFrame Header="Serienmuster" Margin="3">
-						<StackPanel>
-							<dxsch:DailyRecurrenceControl Visibility="{Binding RecurrenceVisualController.IsDailyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" 
-														  RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}" />
-							<dxsch:WeeklyRecurrenceControl Visibility="{Binding RecurrenceVisualController.IsWeeklyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" 
-														   RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}" x:Name="WeeklyRecurrenceControl" />
-							<dxsch:MonthlyRecurrenceControl x:Name="MonthlyRecurrenceControl" 
-															Visibility="{Binding RecurrenceVisualController.IsMonthlyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" 
-															RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}" />
-							<dxsch:YearlyRecurrenceControl x:Name="YearlyRecurrenceControl" 
-                                                           Visibility="{Binding RecurrenceVisualController.IsYearlyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" 
-                                                           RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}" />
-						</StackPanel>
-					</dx:GroupFrame>
-					<dx:GroupFrame  Header="Seriendauer" Margin="3" >
-						<dxsch:RecurrenceRangeControl RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}"
-														TimeZoneHelper="{Binding ElementName=AptForm, Path=TimeZoneHelper, Mode=OneTime}"
-														Pattern="{Binding Controller.PatternCopy}" />
-					</dx:GroupFrame>
-				</StackPanel>
-			</Grid>
-			<!-- Endregion -->
+            <!--  Region Erledigt am (Aufgabe)  -->
+            <Label
+                x:Name="CompletedDateLabel"
+                Grid.Row="14"
+                Grid.Column="0"
+                VerticalAlignment="Center"
+                Content="Erledigt am"
+                Visibility="Collapsed" />
+            <dxe:DateEdit
+                x:Name="CompletedDate"
+                Grid.Row="14"
+                Grid.Column="1"
+                Grid.ColumnSpan="4"
+                Height="23"
+                MinWidth="80"
+                Margin="3"
+                Background="White"
+                EditValue="{Binding Controller.DisplayCompletedDateDate}"
+                MaskType="DateTimeAdvancingCaret"
+                Visibility="Collapsed" />
+            <!--  Endregion  -->
 
-			<!-- Region Privater Termin -->
-			<CheckBox x:Name="IsPrivateCheckBox" Grid.Column="0" Grid.Row="18" Margin="3" Content="Privater Termin" IsChecked="{Binding Controller.IsPrivate}" />
-			<!-- Endregion -->
+            <!--  Region Notiz  -->
+            <Label
+                x:Name="NoticeLabel"
+                Grid.Row="15"
+                Grid.Column="0"
+                VerticalAlignment="Top"
+                Content="Notiz" />
+            <TextBox
+                x:Name="Notice"
+                Grid.Row="15"
+                Grid.Column="1"
+                Grid.ColumnSpan="4"
+                Height="45"
+                Margin="3"
+                AcceptsReturn="True"
+                HorizontalScrollBarVisibility="Disabled"
+                MaxLength="1024"
+                Text="{Binding Path=Controller.Description, UpdateSourceTrigger=PropertyChanged}"
+                TextWrapping="Wrap"
+                VerticalScrollBarVisibility="Auto" />
+            <!--  Endregion  -->
 
-			<!-- Region Buttons -->
-			<UniformGrid Grid.Column="0" Grid.Row="19" Grid.ColumnSpan="5" Columns="3" Rows="1" HorizontalAlignment="Right">
-				<Button Margin="3" Click="OkButtonClick" x:Name="OkButton" Content="OK" Height="25" Width="80" />
-				<Button Margin="3" Click="CancelButtonClick" x:Name="CancelButton" Content="Abbrechen" Height="25" Width="80" />
-        <!--<Button Margin="3" Click="button_CreatZeiterfassung_Click" x:Name="ZeiterfassButton" Content="Zeiterfassung" Height="25" Width="80" />-->
-        <Button Margin="3" Click="DeleteButtonClick" x:Name="DeleteButton" Content="Löschen" Height="25" Width="80" />
-      </UniformGrid>
-			<!-- Endregion -->
-		</Grid>
+            <!--  Region Serienmuster  -->
+            <Label
+                x:Name="SerienLabel"
+                Grid.Row="16"
+                Grid.Column="0"
+                Margin="3"
+                Content="Wiederholung" />
+            <dxe:ComboBoxEdit
+                x:Name="EdtRecurrenceType"
+                Grid.Row="16"
+                Grid.Column="1"
+                Grid.ColumnSpan="4"
+                Margin="3"
+                EditValue="{Binding RecurrenceVisualController.RecurrenceElement, UpdateSourceTrigger=PropertyChanged}"
+                IsTextEditable="False"
+                ItemsSource="{Binding RecurrenceVisualController.RecurrenceElements}">
+                <dxe:ComboBoxEdit.ItemTemplate>
+                    <DataTemplate>
+                        <TextBlock Text="{Binding Description, Converter={StaticResource Recurrence2GermanConverter}}" />
+                    </DataTemplate>
+                </dxe:ComboBoxEdit.ItemTemplate>
+            </dxe:ComboBoxEdit>
+
+            <Grid
+                x:Name="SerienGrid"
+                Grid.Row="17"
+                Grid.Column="0"
+                Grid.ColumnSpan="5"
+                Visibility="{Binding RecurrenceVisualController.EnableRecurrence, Converter={StaticResource BoolVisibilityConverter}}">
+                <StackPanel>
+                    <dx:GroupFrame Margin="3" Header="Serienmuster">
+                        <StackPanel>
+                            <dxsch:DailyRecurrenceControl RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}" Visibility="{Binding RecurrenceVisualController.IsDailyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" />
+                            <dxsch:WeeklyRecurrenceControl
+                                x:Name="WeeklyRecurrenceControl"
+                                RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}"
+                                Visibility="{Binding RecurrenceVisualController.IsWeeklyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" />
+                            <dxsch:MonthlyRecurrenceControl
+                                x:Name="MonthlyRecurrenceControl"
+                                RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}"
+                                Visibility="{Binding RecurrenceVisualController.IsMonthlyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" />
+                            <dxsch:YearlyRecurrenceControl
+                                x:Name="YearlyRecurrenceControl"
+                                RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}"
+                                Visibility="{Binding RecurrenceVisualController.IsYearlyRecurrence, Converter={dxschint:BoolToVisibilityConverter}}" />
+                        </StackPanel>
+                    </dx:GroupFrame>
+                    <dx:GroupFrame Margin="3" Header="Seriendauer">
+                        <dxsch:RecurrenceRangeControl
+                            Pattern="{Binding Controller.PatternCopy}"
+                            RecurrenceInfo="{Binding RecurrenceVisualController.RecurrenceInfo}"
+                            TimeZoneHelper="{Binding ElementName=AptForm, Path=TimeZoneHelper, Mode=OneTime}" />
+                    </dx:GroupFrame>
+                </StackPanel>
+            </Grid>
+            <!--  Endregion  -->
+
+            <!--  Region Privater Termin  -->
+            <CheckBox
+                x:Name="IsPrivateCheckBox"
+                Grid.Row="18"
+                Grid.Column="0"
+                Margin="3"
+                Content="Privater Termin"
+                IsChecked="{Binding Controller.IsPrivate}" />
+            <!--  Endregion  -->
+
+            <!--  Region Buttons  -->
+            <UniformGrid
+                Grid.Row="19"
+                Grid.Column="0"
+                Grid.ColumnSpan="5"
+                HorizontalAlignment="Right"
+                Columns="3"
+                Rows="1">
+                <Button
+                    x:Name="OkButton"
+                    Width="80"
+                    Height="25"
+                    Margin="3"
+                    Click="OkButtonClick"
+                    Content="OK" />
+                <Button
+                    x:Name="CancelButton"
+                    Width="80"
+                    Height="25"
+                    Margin="3"
+                    Click="CancelButtonClick"
+                    Content="Abbrechen" />
+                <!--<Button Margin="3" Click="button_CreatZeiterfassung_Click" x:Name="ZeiterfassButton" Content="Zeiterfassung" Height="25" Width="80" />-->
+                <Button
+                    x:Name="DeleteButton"
+                    Width="80"
+                    Height="25"
+                    Margin="3"
+                    Click="DeleteButtonClick"
+                    Content="Löschen" />
+            </UniformGrid>
+            <!--  Endregion  -->
+        </Grid>
     </Grid>
 </localSchView:AbstractAppointmentEditForm>