Private Sub Command1_Click()
Dim Num As Long
Dim Sum As Single, Price As Single
Price = Val(Text1.Text)
Sum = Val(Text2.Text)
Sum = Price * Sum
Label4.Caption = Sum
End Sub
'╱＊退出按鈕代碼＊╱
Private Sub Command2_Click()
Unload Me
End Sub
'╱＊限制文本只能輸入數字和小數點以及使用退格鍵＊╱
Private Sub Text1_KeyPress(KeyAscii As Integer)
KeyAscii = ValiText(KeyAscii, "0123456789.", False, True)
End Sub
'╱＊限制文本只能輸入數字和小數點以及使用退格鍵＊╱
Private Sub Text2_KeyPress(KeyAscii As Integer)
KeyAscii = ValiText(KeyAscii, "0123456789.", False, True)
End Sub
'----------------------
'限制文本輸入加強版
'----------------------
Function ValiText(KeyIn As Integer, ValiStr As String, BackSpace As Boolean, IncludeStr As Boolean) As Integer
Dim ValiList As String
Dim KeyOut As Integer
If BackSpace = False Then
ValiList = UCase(ValiStr) & Chr(8)
Else
ValiList = UCase(ValiStr)
End If
If IncludeStr = False Then
If InStr(1, ValiList, UCase(Chr(KeyIn)), 1) > 0 Then
KeyOut = 0
Else
KeyOut = KeyIn
End If
Else
If InStr(1, ValiList, UCase(Chr(KeyIn)), 1) > 0 Then
KeyOut = KeyIn
Else
KeyOut = 0
End If
End If
ValiText = KeyOut
End Function