private static ListBoxDragDropBehavior GetAttachedBehavior(System.Windows.Controls.ListBox listBox)
{
if (!instances.ContainsKey(listBox))
{
instances[listBox] = new ListBoxDragDropBehavior();
instances[listBox].AssociatedObject = listBox;
}
return(instances[listBox]);
}
public static void SetIsEnabled(DependencyObject obj, bool value)
{
ListBoxDragDropBehavior behavior = GetAttachedBehavior(obj as System.Windows.Controls.ListBox);
behavior.AssociatedObject = obj as System.Windows.Controls.ListBox;
if (value)
{
behavior.Initialize();
}
else
{
behavior.CleanUp();
}
obj.SetValue(IsEnabledProperty, value);
}