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

[KKing]

> I personally (this is just me it is not a rule) Tend to ask only more
> advanced questions here.
Then it shouldn't be
     user at lists.gambas-basic.org
it should be
AdvancedUsersOnlyWithLittlePatienceForAnythingNotOfInterestToOneSelf at lists.gambas-basic.org

:-)