仿照VC.NET的选择行注释宏

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Sub BackSlashCommentOut()
´DESCRIPTION: Comment several selected rows of codes using double-backslash

´开始定制注释宏
  Dim win
  set win = ActiveWindow
  ´Added by cadinfo, 2002,6,1 窗口关闭时无法使用宏,微软有几个自带的宏存在BUG
  if VarType(win)=vbObject Then Exit Sub
  if win.type <> "Text" Then
    MsgBox "This macro can only be run when a text editor window is active."
  else
    ´Define three string variable
    TmpBlock = ""
    TmpRow = ""
    CmtBlock = Trim(ActiveDocument.Selection)
    LineNum = ActiveDocument.Selection.CurrentLine
   
    ´判断是否为空，空退出宏
   
    if( Len(CmtBlock)=0) Then Exit Sub

    TypeOfFile = FileType(ActiveDocument)
    If TypeOfFile > 0 And TypeOfFile < 5 Then
      If TypeOfFile > 3 Then
        CommentType = "´CMT " ´ VBShit
      Else
        CommentType = "//CMT "  ´C & C++ & C# &Java use the same
      End If

      ´注释方式1 反斜杠backslash "//CMT"

      ´---------处理开始----------------
      ´直到回车符＝0
      Do While Instr (CmtBlock, vbLf) <> 0
        TmpRow = Left(CmtBlock, Instr(CmtBlock, vbLf))
        If Instr(TmpRow, CommentType) = 0 Then  ´ 如果没有注释标志，则添加注释
        ´添加注释标志"//CMT "
          TmpBlock = TmpBlock + CommentType + TmpRow
        Else             ´ 如果有注释标志，则删除注释
          TmpBlock = TmpBlock + Mid (TmpRow, Instr(TmpRow, CommentType)+Len(CommentType), Instr(TmpRow, vbLf))
        End If
        ´返回右边的字符串，长度＝Len(CmtBlock)-Instr(CmtBlock, vbLf)
        CmtBlock = Right(CmtBlock, (Len(CmtBlock)-Instr(CmtBlock, vbLf)))
      Loop

      ´最后一行如果没有选中回车，则在行首添加注释标志"//CMT "
      if(Len(Trim(CmtBlock))<>0) Then
        If Instr(CmtBlock, CommentType) = 0 Then
          CmtBlock=CommentType+CmtBlock
        Else
          CmtBlock = Right (CmtBlock, Len(CmtBlock) - (Instr(CmtBlock, CommentType)+Len(CommentType))＋1)
        End If
      End If
     
      CmtBlock = TmpBlock + Trim(CmtBlock)  ´拼接字符串
      ´---------到此处理完毕----------------

      ´ActiveDocument.Selection.Delete
      ActiveDocument.Selection = CmtBlock
      ActiveDocument.Selection.GotoLine LineNum
   
      ´添加语句选择处理行   (ActiveDocument.Selection.SelectLine)
´     StartLine = ActiveDocument.Selection.TopLine
´     EndLine = ActiveDocument.Selection.BottomLine
´     For i = StartLine To EndLine
´       ActiveDocument.Selection.GoToLine i, dsSelect
´     Next

      ´另外一种注释方式
      ´ActiveDocument.Selection = "/*" + ActiveDocument.Selection + "*/"
    Else
      MsgBox("File not supported or unknow error!")
    End If
  End If
´结束定制注释宏
End Sub
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这次修改，完成了Toogle的功能，并且指出VS自带的一些宏中存在BUG，

在无文档打开时调用宏会报错，作者添加了判断语句，屏蔽了这个问题。

原文转自：http://www.ltesting.net