private static void IsDropTargetChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
var dropTarget = obj as ItemsControl;
if (dropTarget != null)
{
if (Equals(e.NewValue, true))
{
DropHelpers[dropTarget] = new ItemsControlDrop(dropTarget);
}
else
{
ItemsControlDrop drop;
if (DropHelpers.TryGetValue(dropTarget, out drop))
{
drop.Dispose();
DropHelpers.Remove(dropTarget);
}
}
}
}
private static void IsDropTargetChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
var dropTarget = obj as ItemsControl;
if (dropTarget != null)
{
if (Equals(e.NewValue, true))
{
DropHelpers[dropTarget] = new ItemsControlDrop(dropTarget);
}
else
{
ItemsControlDrop drop;
if (DropHelpers.TryGetValue(dropTarget, out drop))
{
drop.Dispose();
DropHelpers.Remove(dropTarget);
}
}
}
}
