detecting keystrokes...How?

[TheCardinal]

I have created a windows form application... the problem is that when the keyboard keystroke combination ALT-F4 was press my application quits. How can i stop the user from hitting the ALT-F4 key to terminate my application? thanks in advance :)

[Nick Parker]

You need to override the ProcessDialogKey method of the form. The follow code will allow you to block ALT-F4 from closing your application.

    protected override bool ProcessDialogKey(Keys keyData)
    {
        Keys altf4 = Keys.Alt | Keys.F4;
        if (keyData == altf4)
        {
            return true;
        }
        return base.ProcessDialogKey(keyData);
    }

- Nick Parker Microsoft MVP - Visual C#
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[TheCardinal]

It works like a charm!:) Excellent Thanks a lot for the help, Nick :)