[Gambas-user] How to make Textbox only accept alphabetic and numbers characters

Bruce adamnt42 at gmail.com
Mon May 10 13:47:58 CEST 2021

Sorry Hasan but its about the 100th time I have answered questions like 

It makes as much sense as me asking:

In Haskell I do this -

   blah blah

How do I do this in APL?

See what I mean?  We, on this mailing list, generally don't know nor 
care how to write Visual Basic code.

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