C# (CSharp) Birthday CheckTextBox Examples

Example #1

 private void num4_TextChanged(object sender, TextChangedEventArgs e)
 {
     input4 = CheckTextBox.ChangeTextBox(num3, num4, num4);
 }

Example #2

 private void num2_TextChanged(object sender, TextChangedEventArgs e)
 {
     input2 = CheckTextBox.ChangeTextBox(num1, num2, num3);
 }