event onTextChange za taj TekstBoks
koncept je sledeći:
da provera da li je textBox.Text.Length() == 2, ako jeste drugiTekstBoks.Focus()
"I think it is obscene that we should believe that we are entitled to end somebody's life, no matter what that person has supposedly done or not done."
Richard Attenborough
Code: Private Sub TextBox1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
If TextBox1.Text.Length = 4 Then
TextBox2.Focus()
End If
End Sub