private static SelectorSelectionChangedCommandBehavior GetOrCreateBehavior(Selector selector)
{
SelectorSelectionChangedCommandBehavior behavior =
selector.GetValue(SelectCommandBehaviorProperty) as SelectorSelectionChangedCommandBehavior;
if (behavior == null)
{
behavior = new SelectorSelectionChangedCommandBehavior(selector);
selector.SetValue(SelectCommandBehaviorProperty, behavior);
}
return(behavior);
}
private static void OnSetCommandParameterCallback(
DependencyObject dependencyObject,
DependencyPropertyChangedEventArgs e)
{
Selector selector = dependencyObject as Selector;
if (selector != null)
{
SelectorSelectionChangedCommandBehavior behavior = GetOrCreateBehavior(selector);
behavior.CommandParameter = e.NewValue;
}
}
