internal void ShowChat() { //GwupeClientAppContext.CurrentAppContext.UIManager.GetEngagement(Engagement, this); _chatWindow = _chatWindow ?? new ChatWindow(_appContext, this) { Notifications = { ItemsSource = _notificationView.View } }; EngagementContent.Content = _chatWindow; Engagement.IsUnread = false; EngagementVisibleContent = EngagementVisibleContent.Chat; }