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Restringir Teclas No Textbox


Eu tenho um Text, e quero que ele só aceite os numeros 1,2 e 3. Quero que se o usuario apertar qualquer outra tecla, o text não aceite esta tecla....

Ex: eu digito 14253 e apareca apenas 123...

Sei que tem a ver com o evento KeyPress no text, e que tem a ver com o cod Ascii. Mas não to conseguindo restringir as outras teclas....

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Faça assim no evento KeyPress da sua textbox:

    válidos = "123" & Chr(8) 'Backspace

    If InStr(1, válidos, Chr(KeyAscii)) <= 0 Then
        KeyAscii = 0
    End If

Certo? ;)


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