VB 简单计算器
Option Explicit
Dim potflag As Integer '标识是否用小数点
Dim numcol As Integer ' 点击运算符的个数
Dim LastInput ' 指示上一次操作的内容
Dim colflag 'numcol为1时，保存运算符
Dim temp1, temp2 '分别保存运算符两端的运算数
Private Sub CmdCel_Click() '重新开始计算按钮，个计量数和标识初始化
Res = Format(0, "0.")
temp1 = 0
temp2 = 0
numcol = 0
potflag = False
LastInput = "cel" '标识此操作为"cel"
End Sub
Private Sub CmdPot_Click() '使用小数点
If LastInput <> "num" Then
Res = Format(0, "0.")
ElseIf String(1, Res) = "-" Then
Res = Format(0, "-0.")
End If
potflag = True
LastInput = "num" '标识此操作为"num"
End Sub
Private Sub Cmdsign_Click() '使用正负号
If String(1, Res) <> "-" Then '如果当前是正数添加负号
Res = "-" & Res
Else: Res = Right(Res, Len(Res) - 1) '如果当前是证号，取消负号
End If
LastInput = "num" '标识此操作为"num"
End Sub
Private Sub ComCol_Click(Index As Integer) '点击操作符，可进行连续运算
numcol = numcol + 1 '通过numcol标识点击运算符的次数
If numcol = 1 Then '当前数为操作符左侧运算数时，记录当前操作数
temp1 = Res
&
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Private Const INTERNET_FLAG_PASSIVE = &H8000000
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http://social.msdn.microsoft.com/Forums/zh-TW/232/thread/5b0e0eb7-9cd7-420a-9f56-e588154174ba
http://www.mndsoft.com/blog/article.asp?id=903
http://topic.csdn.net/t/20051015/14/4328396.html
VB是常用的应用软件开发工具之一，由于VB的报表功能有限，而且一但报表格式发生变化，就得相应修改程序� ......
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