public static void RemoveExtensionMessageHandler(string extensionType, ExtensionMessageHandler handler)
{
if (extensionHandlers.ContainsKey(extensionType)) {
List<ExtensionMessageHandler> handlers = extensionHandlers[extensionType];
handlers.Remove(handler);
if (handlers.Count == 0)
extensionHandlers.Remove(extensionType);
}
}
public static void RegisterExtensionMessageHandler(string extensionType, ExtensionMessageHandler handler)
{
List<ExtensionMessageHandler> handlers;
if (extensionHandlers.ContainsKey(extensionType))
handlers = extensionHandlers[extensionType];
else
handlers = new List<ExtensionMessageHandler>();
handlers.Add(handler);
extensionHandlers[extensionType] = handlers;
}