BeWoPlaner/BeWo/View/MiniChatView.xaml

<Window
    x:Class="BeWo.View.MiniChatView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Chat View"
    Width="338"
    Height="102"
    AllowsTransparency="True"
    Background="Transparent"
    ResizeMode="NoResize"
    WindowStyle="None">
    <Grid>
        <GroupBox
            x:Name="rootGroupBox"
            Header="Name"
            MouseLeftButtonDown="RootGroupBox_OnMouseLeftButtonDown"
            Style="{DynamicResource MainContentGroupBoxWithoutMaximizeBtnStyle}">
            <Grid Background="{StaticResource ObjectEditBackgroundBrush}">
                <TextBox
                    x:Name="Minichat"
                    Width="320"
                    Height="51"
                    Margin="5,2,0,0"
                    HorizontalAlignment="Left"
                    VerticalAlignment="Top"
                    GotFocus="Minichat_OnGotFocus"
                    IsEnabled="False"
                    TextWrapping="Wrap" />

            </Grid>
        </GroupBox>
    </Grid>
</Window>