private void OnSelectedFileIsNullOrEmptyMsg(SelectedFileIsNullOrEmptyMsg msg)
 {
     MessageBox.Show(
         "You have not select a file.\nPlease select a file or click on cancel.", "Hint",
         MessageBoxButton.OK, MessageBoxImage.Warning);
 }
 private void OnSelectedFileIsNullOrEmptyMsg(SelectedFileIsNullOrEmptyMsg msg)
 {
     MessageBox.Show(
         "You have not select a file.\nPlease select a file or click on cancel.", "Hint",
         MessageBoxButton.OK, MessageBoxImage.Warning);
 }