> I'm trying to figure out how to set up an alphanumeric field >and then mask all invalid input.
In your keyDownEvent event handler do:
if ( ! TxtCharIsDigit ( key ) && key != '-' && key != '.' )
return true;
Of course, you shouldn't use literals, and this doesn't necessarily
work with all character sets, but it should give you the basic idea.
Regards,
Steve Mann
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