private void ExportF13MenuItem_Click(object sender, RoutedEventArgs e) { var saveFileDialog = new SaveFileDialog { Filter = "Excel files (*.xlsx)|*.xlsx|All files (*.*)|*.*" }; if (saveFileDialog.ShowDialog() == true) { if (File.Exists(saveFileDialog.FileName) && IsFileLocked(saveFileDialog.FileName)) { MessageBox.Show("Выбранный файл заблокирован!"); } ControllerService.ExportToF13(saveFileDialog.FileName); System.Diagnostics.Process.Start(saveFileDialog.FileName); } }