//---------------------
// Register and Unregister
//---------------------
public void Register <T>(MP4_Event.Handler handler) where T : MP4_Event
{
Type type = typeof(T);
if (registeredHandlers.ContainsKey(type))
{
registeredHandlers[type] += handler;
}
else
{
registeredHandlers[type] = handler;
}
}
public void Unregister <T>(MP4_Event.Handler handler) where T : MP4_Event
{
Type type = typeof(T);
MP4_Event.Handler handlers;
if (registeredHandlers.TryGetValue(type, out handlers))
{
handlers -= handler;
if (handlers == null)
{
registeredHandlers.Remove(type);
}
else
{
registeredHandlers[type] = handlers;
}
}
}