EPO.ViewModel.MainFormViewModelBase.QuitCommandLogic()

 EPO.ViewModel.MainFormViewModelBase.QuitCommandLogic()
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private void QuitCommandLogic()
        {
            this._appClosing = true;
            if (DialogContainer.StudyFormViewModel != null)
            {
                DialogContainer.StudyFormViewModel.BlockHighKv();
            }
            if (!this.TryCloseArchivingDialog())
            {
                DialogService.ShowMessageBox(EpoMainResources.get_QuitIsForbiddenBecauseOfArchivingMessage(), EpoMainResources.get_InfoMessageBoxTittle(), MessageBoxButton.OK, MessageBoxResult.None, false, null, 0);
                this._appClosing = false;
                return;
            }
            if (DialogService.ShowMessageBox(EpoMainResources.get_ApplicationExitConfirmation(), EpoMainResources.get_ConfirmationMessageBoxTittle(), MessageBoxButton.YesNo, MessageBoxResult.None, false, null, 0) != MessageBoxResult.Yes)
            {
                this._appClosing = false;
                return;
            }
            IMessenger messenger = SimpleServiceLocator.Instance.Get<IMessenger>();
            if (messenger != null)
            {
                messenger.SendMessage(MessageType.ApplicationClosing);
            }
            List<BackupFilesHelper.BackupFileInfo> backupFoldersToDelete = BackupFilesHelper.GetBackupFoldersToDelete();
            List<string> list = (
                from i in SimpleServiceLocator.Instance.Get<IWgdEntityService>().GetImages((EpoModel.Wgd.Image i) => {
                    if (i.get_StudyImageStatus() != 3)
                    {
                        return false;
                    }
                    return i.get_DateCreation() < DateTime.Now.AddDays((double)CommonParameters.get_Instance().get_BackupExpDays());
                }, null)
                select i.get_FileName()).ToList<string>();
            if (backupFoldersToDelete.Count > 0 || list.Count > 0)
            {
                if (DialogService.ShowMessageBox((CommonParameters.get_Instance().get_BackupExpDays() == 1 ? EpoMainResources.get_OneDayImagesRemovingConfirmFormat() : string.Format(EpoMainResources.get_OldImagesRemovingConfirmFormat(), CommonParameters.get_Instance().get_BackupExpDays())), EpoMainResources.get_ConfirmationMessageBoxTittle(), MessageBoxButton.YesNo, MessageBoxResult.None, false, null, 0) == MessageBoxResult.Yes)
                {
                    BackupFilesHelper.DeleteExpiredBackupFiles(backupFoldersToDelete);
                    BackupFilesHelper.DeleteExpiredImageFiles(list);
                }
                    this._secondMonitorForm.Close();
                }
                base.IsNeedClose = true;
                DialogContainer.ArchivingViewModel.Dialog.Close();
                SimpleServiceLocator.Instance.Get<ApplicationLifecycleService>().Shutdown(ApplicationLifecycleService.ShutdownMode.ApplicationAndComputer);
            }
            this.DeletePacsStudies();
        }