private void AddTabItem() { if (MainWindow.stashTabOverlay.IsOpen) { MainWindow.stashTabOverlay.Hide(); } Model.StashTab currTab = new Model.StashTab("New Tab"); StashTabs.Add(currTab); StashTabItems.Add(currTab.StashTabItem); CurrentTab++; currTab.TabIndex = CurrentTab; OnPropertyChanged("StashTabs"); //Trace.WriteLine(CurrentTab); }