Private Sub Text1_KeyPress(KeyAscii As Integer) If IsNumeric(Chr(KeyAscii)) = False Then KeyAscii = 0 End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer) If (KeyAscii < 48 Or KeyAscii > 57) Then KeyAscii = 0 End Sub
'text框的 keypress事代码 '在有需要的地方这样调用 presskey 就可以了 Private Sub text1_KeyPress(KeyAscii As Integer) PressKey KeyAscii End Sub'按键处理 '如果需要输入小数点正负号,请改变常量 allowkey private Sub PressKey(ByRef keyVal As Integer) const allowKey As String="0123456789" If InStr(allowKey, Chr(keyVal)) = 0 And keyVal <> 8 Then keyVal = 0 End Sub
'根据KeyAscii范围 Private Sub Text1_GotFocus() SelTextBox Text1 End SubPrivate Sub Text1_KeyPress(KeyAscii As Integer) If KeyAscii > 58 Or KeyAscii < 47 Then MsgBox "Error", vbOKOnly, vbExclamation Call Text1_GotFocus End If End SubSub SelTextBox(tb As TextBox) tb.SelStart = 0 ' Set selection start. tb.SelLength = Len(tb.Text) ' Set selection length. End Sub
If IsNumeric(Chr(KeyAscii)) = False Then KeyAscii = 0
End Sub
If (KeyAscii < 48 Or KeyAscii > 57) Then KeyAscii = 0
End Sub
'text框的 keypress事代码
'在有需要的地方这样调用 presskey 就可以了
Private Sub text1_KeyPress(KeyAscii As Integer)
PressKey KeyAscii
End Sub'按键处理
'如果需要输入小数点正负号,请改变常量 allowkey
private Sub PressKey(ByRef keyVal As Integer)
const allowKey As String="0123456789"
If InStr(allowKey, Chr(keyVal)) = 0 And keyVal <> 8 Then keyVal = 0
End Sub
Private Sub Text1_GotFocus()
SelTextBox Text1
End SubPrivate Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii > 58 Or KeyAscii < 47 Then
MsgBox "Error", vbOKOnly, vbExclamation
Call Text1_GotFocus
End If
End SubSub SelTextBox(tb As TextBox)
tb.SelStart = 0 ' Set selection start.
tb.SelLength = Len(tb.Text) ' Set selection length.
End Sub