Textbox AlphaNumeric with windows special keys?

[RiverX]

Hi all,

I was looking for a textbox that can hold alphanumerics only and one can also use windows shortcuts such as control+v Control+c Control+a within that textbox.
I tried this in my keypress event for the text box and it works, but i would like for it to also allow the other windows shortcut functions

if (!(Char.IsLetterOrDigit(e.KeyChar) == true || (e.KeyChar) == 8))
            {
                e.Handled = true;
            }

Take care

P.s. I would like to not use the masked text box.

[jmcilhinney]

Use the Char.IsControl method to test for control characters.

[RiverX]

Thanks jmc

This is what i have so far and it seems to work.

protected override void OnKeyPress(KeyPressEventArgs e)
        {
            if ((Char.IsControl(e.KeyChar) == true))
            {
                e.Handled = false;
            }
            else if (!(Char.IsLetterOrDigit(e.KeyChar) == true || (e.KeyChar) == 8))
            {
                e.Handled = true;
            }        
}

Is there anyway i can check to validate something that is pasted into a textbox as well? i.e. if someone pastes axx@!!#333321 it shouldnt let them paste it into the textbox.

[jmcilhinney]

There's not really a simple way to do that. You could test for the Ctrl+V character or key combination and then validate the contents of the clipboard. That doesn't stop the user right-clicking the control and selecting Paste from the standard menu though. If you've overridden the standard menu then that's OK, but otherwise you would have to override the WndProc method and get your hands a bit dirtier.