by Lee Turner (2 Submissions)
Category: Custom Controls/Forms/Menus
Compatability: Visual Basic 5.0
Difficulty: Unknown Difficulty
Originally Published: Tue 3rd July 2001
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Only allow numbers AND control codes (i.e. backspace) to be entered in a text box
VBcoders
Call KeyCheck(KeyAscii)
End Sub
Public Function KeyCheck(ByRef KeyAscii As Integer)
'Disallow the user to enter anything other than numbers and control codes
If KeyAscii < 48 Or KeyAscii > 57 Then 'disallow anything other than numbers
If KeyAscii = 8 Or KeyAscii = 9 Or KeyAscii = 10 Or KeyAscii = 13 Then 'allow all the control codes though...
KeyAscii = KeyAscii
Else
KeyAscii = 0
End If
End If
End Function
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