/// <summary> /// Adds a delegate to the invocation list of events originating from the COM object. /// </summary> /// <param name="rcw">COM object firing the events the caller would like to respond to</param> /// <param name="iid">identifier of the source interface used by COM object to fire events</param> /// <param name="dispid">dispatch identifier of the method on the source interface</param> /// <param name="d">delegate to invoke when specified COM event is fired</param> public static void Combine(object rcw, Guid iid, int dispid, Delegate d) { lock (rcw) { ComEventsInfo eventsInfo = ComEventsInfo.FromObject(rcw); ComEventsSink sink = eventsInfo.FindSink(ref iid) ?? eventsInfo.AddSink(ref iid); ComEventsMethod method = sink.FindMethod(dispid) ?? sink.AddMethod(dispid); method.AddDelegate(d); } }
/// <summary> /// Adds a delegate to the invocation list of events originating from the COM object. /// </summary> /// <param name="rcw">COM object firing the events the caller would like to respond to</param> /// <param name="iid">identifier of the source interface used by COM object to fire events</param> /// <param name="dispid">dispatch identifier of the method on the source interface</param> /// <param name="d">delegate to invoke when specified COM event is fired</param> public static void Combine(object rcw, Guid iid, int dispid, Delegate d) { lock (rcw) { ComEventsInfo eventsInfo = ComEventsInfo.FromObject(rcw); ComEventsSink?sink = eventsInfo.FindSink(ref iid); if (sink == null) { sink = eventsInfo.AddSink(ref iid); } ComEventsMethod?method = sink.FindMethod(dispid); if (method == null) { method = sink.AddMethod(dispid); } method.AddDelegate(d); } }