Dim OldText As String
Private Sub Form_Load()
Text1.Text = ""
End Sub
Private Sub Text1_Change() '屏蔽粘贴非数字
If IsNumeric(Text1.Text) And Right(Text1.Text, 1) <> "-" Or Text1.Text = "" Or Text1.Text = "-" Then
OldText = Text1.Text
Else
Text1.Text = OldText
Text1.SelStart = Len(Text1.Text)
End If
If IsNumeric(Text1.Text) Then
Command1.Enabled = True
Else
Command1.Enabled = False
End If
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii >= 48 And KeyAscii <= 57 Or KeyAscii = 46 Or KeyAscii = 45 And Text1.SelStart = 0 Then
If Not IsNumeric(Text1.Text & Chr(KeyAscii)) And Text1.Text <> "" Then
KeyAscii = 0
End If
End If
End Sub