>I have a custom textbox class, and I would somehow like to add functionality to show when the textbox does not contain valid text. Basically, I just want a method that I can manually call that pops an exclamation point or other icon up next to the textbox. > >Anybody know how to do this? I know I can probably change the background color of the textbox or something, but that might look a little hokey.
No, it doesn't look hokey at all. We change our BackColor to Red, ForeColor to White to indicate there's a problem. Our user's love it.
