public ChatFrame(string LoginFirst, string LoginSecond) { InitializeComponent(); _LoginFirst = LoginFirst; _LoginSecond = LoginSecond; client = new ServiceChatClient(new System.ServiceModel.InstanceContext(this)); client.Connect(LoginFirst); client.CreateConversation(LoginFirst, LoginSecond); ChatUsers.Content = "чат с " + LoginSecond; List <string> ChatAllMessage = client.GetAllMessage(LoginFirst, LoginSecond).ToList(); foreach (string message in ChatAllMessage) { GetMessage.Items.Add(message); GetMessage.ScrollIntoView(GetMessage.Items[GetMessage.Items.Count - 1]); } }