How to skip Validating after clicking on a Form's Cancel button

Question

I use C#. I have a Windows Form with an edit box and a Cancel button. The edit box has code in validating event. The code is executed every time the edit box loses focus. Wh

Answer 1

Create a bool:

bool doOnce;

Set it to false in your function and then:

if (doOnce == false)
{
    e.cancel = true;
    doOnce = true;
}

This means it will only run once and you should be able to cancel it. This worked for me anyways.