/// <summary> Registers a class handler for a particular routed event, with the option to handle events where event data is already marked handled.</summary>
/// <param name="classType">The type of the class that is declaring class handling.</param>
/// <param name="routedEvent">The routed event identifier of the event to handle.</param>
/// <param name="handler">A reference to the class handler implementation.</param>
/// <param name="handledEventsToo">true to invoke this class handler even if arguments of the routed event have been marked as handled; false to retain the default behavior of not invoking the handler on any marked-handled event.</param>
public static void RegisterClassHandler(Type classType, RoutedEvent routedEvent, Delegate handler, bool handledEventsToo)
{
if (classType == null)
{
throw new ArgumentNullException("classType");
}
if (routedEvent == null)
{
throw new ArgumentNullException("routedEvent");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
if (!typeof(UIElement).IsAssignableFrom(classType))
{
throw new ArgumentException("Illegal class type " + classType.FullName);
}
if (!IsLegalHandler(routedEvent, handler))
{
throw new ArgumentException("Illegal Handler type for " + routedEvent.Name + " event");
}
ClassHandlerInfo c = AddClassHandler(routedEvent, handler);
Noesis_EventManager_RegisterClassHandler(Extend.GetNativeType(classType),
BaseComponent.getCPtr(routedEvent).Handle, handledEventsToo,
Extend.GetInstanceHandle(c).Handle, _classHandler);
}
private static RoutedEvent AddRoutedEvent(string name, RoutingStrategy routingStrategy,
Type handlerType, Type ownerType)
{
IntPtr routedEventPtr = Noesis_EventManager_RegisterRoutedEvent(name,
(int)routingStrategy, Extend.GetNativeType(ownerType));
RoutedEvent routedEvent = (RoutedEvent)Extend.GetProxy(routedEventPtr, false);
RegisterRoutedEvent(routedEvent, handlerType, GetInvoker(handlerType));
return(routedEvent);
}