/** *Author:烏鳥(niǎo)heart *Version:1.0 */ Dim IntX As Double '全局變量，用于存儲(chǔ)計(jì)算的數(shù)值 Dim IntOperation As Double '標(biāo)記運(yùn)算類(lèi)型 Dim isBegin As Boolean '標(biāo)記是否已經(jīng)給IntX賦值 Public Sub Clear() '清空命令函數(shù)
screen.Caption = "" End Sub Public Sub SavaToIntX()
Select Case IntOperation
Case 1 '加法 If isBegin = False Then IntX = Val(screen.Caption) isBegin = True Else IntX = IntX + Val(screen.Caption) End If
Case 2 '減法 If isBegin = False Then IntX = Val(screen.Caption) isBegin = True Else IntX = IntX - Val(screen.Caption) End If
Case 3 '乘法 If isBegin = False Then IntX = Val(screen.Caption) isBegin = True Else IntX = IntX * Val(screen.Caption) 'screen.Caption = IntX End If
Case 4 '除法 If isBegin = False Then IntX = Val(screen.Caption) isBegin = True Else IntX = IntX / Val(screen.Caption) End If
End Select
End Sub
Private Sub Command0_Click() screen.Caption = screen.Caption & 0 End Sub Private Sub Command1_Click() screen.Caption = screen.Caption & 1 End Sub Private Sub Command2_Click() screen.Caption = screen.Caption & 2 End Sub Private Sub Command3_Click() screen.Caption = screen.Caption & 3 End Sub Private Sub Command4_Click() screen.Caption = screen.Caption & 4 End Sub Private Sub Command5_Click() screen.Caption = screen.Caption & 5 End Sub Private Sub Command6_Click() screen.Caption = screen.Caption & 6 End Sub Private Sub Command7_Click() screen.Caption = screen.Caption & 7 End Sub Private Sub Command8_Click() screen.Caption = screen.Caption & 8 End Sub Private Sub Command9_Click() screen.Caption = screen.Caption & 9 End Sub
Private Sub CommandClear_Click() '清空命令 isBegin = False IntOperation = 0 IntX = 0 screen.Caption = "" End Sub
Private Sub CommandEqual_Click() '等號(hào)運(yùn)算
If IntOperation <> 0 Then '有運(yùn)算標(biāo)記的情況 Call SavaToIntX IntOperation = 0 isBegin = False screen.Caption = IntX End If
End Sub
Private Sub CommandMinus_Click() '減法運(yùn)算
If IntOperation <> 0 Then '有運(yùn)算標(biāo)記的情況 Call SavaToIntX IntOperation = 2 Call Clear
Else IntOperation = 2 Call SavaToIntX Call Clear
End If End Sub
Private Sub CommandMultiple_Click() '乘法運(yùn)算 If IntOperation <> 0 Then '有運(yùn)算標(biāo)記的情況 Call SavaToIntX IntOperation = 3 Call Clear
Else IntOperation = 3 Call SavaToIntX Call Clear
End If
End Sub
Private Sub CommandPlus_Click() '加法運(yùn)算
If IntOperation <> 0 Then '有運(yùn)算標(biāo)記的情況 Call SavaToIntX IntOperation = 1 Call Clear
Else IntOperation = 1 Call SavaToIntX Call Clear
End If
End Sub
Private Sub CommandSlash_Click() '除法運(yùn)算
If IntOperation <> 0 Then '有運(yùn)算標(biāo)記的情況 Call SavaToIntX IntOperation = 4 Call Clear
