private void ButtonSelect_Click(object sender, RoutedEventArgs e)
 {
     UserSelection = ConfirmCreate.SELECT;
     this.Close();
 }
 private void ButtonCancel_Click(object sender, RoutedEventArgs e)
 {
     UserSelection = ConfirmCreate.CANCEL;
     this.Close();
 }
 private void ButtonCreate_Click(object sender, RoutedEventArgs e)
 {
     UserSelection = ConfirmCreate.CREATE;
     this.Close();
 }