C# (CSharp) BathClass.only_allow_int примеры использования

Пример #1

 private void txt_KeyPress(object sender, KeyPressEventArgs e)
 {
     BathClass.only_allow_int(e);
 }

Пример #2

 private void creditsUsing_KeyPress(object sender, KeyPressEventArgs e)
 {
     BathClass.only_allow_int(e);
 }