public static void DebugValidateHandlers <TRoutedEventHandler> (AttachedEventHandler <TRoutedEventHandler> addFunc, AttachedEventHandler <TRoutedEventHandler> removeFunc)
{
if (addFunc == null)
{
throw new Exception("AEUtils - Error With Adder: Attached Events need add functions");
}
if (removeFunc == null)
{
throw new Exception("AEUtils - Error With Remover: Attached Events need remove functions");
}
string addName = addFunc.Method.Name;
string removeName = removeFunc.Method.Name;
if (!addName.StartsWith("Add") || !addName.EndsWith("Handler"))
{
throw new Exception("AEUtils - Error With Adder: Attached events require an add handler function whos name is formatted Add{name}Handler.");
}
if (!removeName.StartsWith("Remove") || !removeName.EndsWith("Handler"))
{
throw new Exception("AEUtils - Error With Remover: Attached events require a remove handler function whos name is formatted Remove{name}Handler.");
}
if (addName.Substring("Add".Length) != removeName.Substring("Remove".Length))
{
throw new Exception("AEUtils - Error with Adder & Remover: Attached events require matching names, name of Add{name}Handler adder function does not match Remove{name}Handler remover function.");
}
}
public static RoutedEvent Register <TRoutedEventHandler> (Type ownerType, AttachedEventHandler <TRoutedEventHandler> addFunc, AttachedEventHandler <TRoutedEventHandler> removeFunc, RoutingStrategy routingStrategy = RoutingStrategy.Bubble)
{
DebugValidateHandlers(addFunc, removeFunc);
// Add{Name}Handler ---- Magic Numbers: Add = 3 letters, Add+Handler = 10 Characters
string name = addFunc.Method.Name.Substring(3, addFunc.Method.Name.Length - 10);
return(EventManager.RegisterRoutedEvent(name, routingStrategy, typeof(TRoutedEventHandler), ownerType));
}
