brilliant stuff !!! the code was spot on!
Hardly. Some code for key press could be like the following...

Code:
Private Sub txtMin Change(Key as Integer)
If IsNumeric(Key) = False Then Exit Sub 'or whatever so that the text doesn't change. I'm doing thiso off the top of my head.
Exit Sub
-Cheers-

PSSPSPSPSPSSPSPSSPS - TS that was pretty funny. And it really isn't that hard to make a port scanner in VB, or most langauges.