Catel.Services.NavigationService.Initialize C# (CSharp) Method

        partial void Initialize()
        {
#if NET || SL5
            var mainWindow = CatelEnvironment.MainWindow;
            if (mainWindow != null)
            {
                mainWindow.Closing += (sender, e) =>
                {
                    if (!_appClosedFromService)
                    {
                        _appClosingByMainWindow = true;

                        if (!CloseApplication())
                        {
                            Log.Debug("INavigationService.CloseApplication has canceled the closing of the main window");
                            e.Cancel = true;
                        }

                        _appClosingByMainWindow = false;
                    }
                };
            }
            else
            {
                Log.Warning("Application.Current.MainWindow is null, cannot prevent application closing via service");
            }
#endif
        }