HandlerDelegate public sealed delegate HandlerDelegate : MulticastDelegate Represents a delegate which holds a handler Documentation Code public HandlerDelegate(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(IHandler handler, ref bool stateChanged, AsyncCallback callback, object object) public virtual void EndInvoke(ref bool stateChanged, IAsyncResult result) public virtual void Invoke(IHandler handler, ref bool stateChanged)