private void DisplayEventLog(object obj)
 {
     logViewerCtrl = logViewerCtrl ?? Logger.LogViewerCtrl;
     TabMgr.AddOrSelectTabItem("Event Log", "LogGrid", 1, logViewerCtrl);
 }
 private void DisplaySessionsAdminView(object obj)
 {
     sessionsAdminView = sessionsAdminView ?? new SessionsAdminView();
     TabMgr.AddOrSelectTabItem("Sessions", "SessionsAdminGrid", 1, sessionsAdminView);
 }
 private void DisplaySettingsView(object obj)
 {
     settingsView = settingsView ?? new SettingsView();
     TabMgr.AddOrSelectTabItem("Settings", "SettingsGrid", 1, settingsView);
 }
 private void DisplayAudioclipsAdminView(object obj)
 {
     audioclipsAdminView = audioclipsAdminView ?? new AudioclipsAdminView();
     TabMgr.AddOrSelectTabItem("Audio clips", "AudiclipsAdminGrid", 1, audioclipsAdminView);
 }