private static void OnSetCommandCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
var selector = dependencyObject as Selector;
if (selector == null)
{
return;
}
SelectorSelectionChangedCommandBehavior behavior = GetOrCreateBehavior(selector);
behavior.Command = e.NewValue as ICommand;
}
private static SelectorSelectionChangedCommandBehavior GetOrCreateBehavior(Selector selector)
{
var behavior = selector.GetValue(SelectionChangedCommandBehaviorProperty) as SelectorSelectionChangedCommandBehavior;
if (behavior == null)
{
behavior = new SelectorSelectionChangedCommandBehavior(selector);
selector.SetValue(SelectionChangedCommandBehaviorProperty, behavior);
}
return(behavior);
}