BeWoPlaner/BeWo/Scheduling/SchedulingUtils/ListItemHelper.cs

using System.Windows;

namespace BeWo.Scheduling.SchedulingUtils
{
    public class ListItemHelper : DependencyObject
    {
        public static readonly DependencyProperty IsCheckedProperty = DependencyProperty.RegisterAttached("IsChecked", typeof(bool?), typeof(ListItemHelper), new PropertyMetadata(false, null));

        public static void SetIsChecked(DependencyObject element, bool? isChecked)
        {
            element.SetValue(IsCheckedProperty, isChecked);
        }

        public static bool? GetIsChecked(DependencyObject element)
        {
            return (bool?) element.GetValue(IsCheckedProperty);
        }
    }
}