public void Should_send_message_to_group() { var oSkype = new Skype(); if (oSkype.Client.IsRunning == false) { oSkype.Client.Start(false, true); } UserCollection users = oSkype.Friends; foreach (User f in users) { Console.WriteLine(f.DisplayName + "|" + f.FullName + "|" + f.Handle); } //var msg = oSkype.SendMessage("testgogroups", "some text..."); var om = new UserCollection(); om.Add(oSkype.get_User("testgogroups")); om.Add(oSkype.get_User("jonny.plankton")); var oc = oSkype.CreateChatMultiple(om); oc.OpenWindow(); //oc.Topic = "Build is broken"; oc.SendMessage("Build is broken"); oc.Leave(); }