private static void IsDragSourceChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
var dragSource = obj as ItemsControl;
if (dragSource != null)
{
if (Equals(e.NewValue, true))
{
DragHelpers[dragSource] = new ItemsControlDrag(dragSource);
}
else
{
ItemsControlDrag drag;
if (DragHelpers.TryGetValue(dragSource, out drag))
{
drag.Dispose();
DragHelpers.Remove(dragSource);
}
}
}
}
private static void IsDragSourceChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
var dragSource = obj as ItemsControl;
if (dragSource != null)
{
if (Equals(e.NewValue, true))
{
DragHelpers[dragSource] = new ItemsControlDrag(dragSource);
}
else
{
ItemsControlDrag drag;
if (DragHelpers.TryGetValue(dragSource, out drag))
{
drag.Dispose();
DragHelpers.Remove(dragSource);
}
}
}
}