private static void OnSetCommandParameterCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
IApplicationBarMenuItem item = dependencyObject as IApplicationBarMenuItem;
if (item != null)
{
AppBarItemCommandBehavior <IApplicationBarMenuItem> behavior = GetOrCreateBehavior(item);
behavior.CommandParameter = e.NewValue;
}
}
private static AppBarItemCommandBehavior <IApplicationBarMenuItem> GetOrCreateBehavior(IApplicationBarMenuItem item)
{
AppBarItemCommandBehavior <IApplicationBarMenuItem> behavior = (item as FrameworkElement).GetValue(ClickCommandBehaviorProperty) as AppBarItemCommandBehavior <IApplicationBarMenuItem>;
if (behavior == null)
{
behavior = new AppBarItemCommandBehavior <IApplicationBarMenuItem>(item);
(item as FrameworkElement).SetValue(ClickCommandBehaviorProperty, behavior);
}
return(behavior);
}