public function LoadXml(strPath)
        set s_objXml = CreateObject("MSXML2.DOMdocument")
        s_objXml.async = false
        s_objXml.load(strPath)
        if s_objXml.parseError.errorCode <> 0 then
            set s_objXml = nothing
            LoadXml = true
            exit function
        end if
        set s_objNodeRoot = s_objXml.documentElement
        s_strXmlPath = strPath
        s_strAttributeName = "是否已经注册"
    end function
    
    '---------------------------------------------
    '目的：    添加一个DLL项目
    '参数：    strPath:    DLL文件地址
    '          blnReg:    添加后是否将其注册
    '返回：    如果要求添加后注册，注册成功就返回1,注册失败返回0,已经有该项目并注过册就返回-1
    '---------------------------------------------
    public function AddNode(strPath , blnReg)
        dim objNewNode
        dim strStart
        dim objNode
        strStart = "0"
        set objNode = SelectNode(strPath)
        if objNode is nothing then
            if Reg(strPath , true) then
                strStart = "1"
                AddNode = true
            else
                AddNode = false
            end if
            set objNewNode = s_objXml.createElement("Dll")
            call objNewNode.setAttribute(s_strAttributeName , strStart)
            objNewNode.Text = strPath
            call s_objNodeRoot.appendChild(objNewNode)
            call s_objXml.save(s_strXmlPath)
        else
            if blnReg then
                if objNode.Attributes.getNamedItem(s_strAttributeName).nodeValue = "1" then
                    AddNode = true
                else
                    if Reg(strPath , true) then
                        objNode.Attributes.getNamedItem(s_strAttributeName).nodeValue = "1"
                        call s_objXml.save(s_strXmlPath)
                    else
                        AddNode = false
                    end if
                end if
             else
                 AddNode = false
             end if
        end if
    end function
    
    '----------------------------------------
    '目的：    删除所有已经注册，或者没注册的节点
    '参数：    blnStart:    0=未注册的,1=已经注册的
    '返回：    执行了删除操作就返回TRUE，否则返回FALSE
    '----------------------------------------
    public function ReAllNode(byVal blnStart)
        dim objNode
        dim blnIsChange
        blnStart = CStr(blnStart)
        for each objNode in s_objNodeRoot.childNodes
            if objNode.Attributes.getNamedItem(s_strAttributeName).nodeValue = blnStart then
                call s_objNodeRoot.removeChild(objNode)
                blnIsChange = true
            end if
        next
        if blnIsChange then
            ReAllNode = true
            call s_objXml.save(s_strXmlPath)
        else
            ReAllNode = false
        end if     
    end function
    
    '-----------------------------------------
    '目的：    删除某一个节点
    '参数：    节点内容
    '返回：    找不到节点就返回TRUE
    '-----------------------------------------
    public function ReNode(strPath)
        dim objNode
        set objNode = SelectNode(strPath)
        if objNode is nothing then
            ReNode = true
        else
            call s_objNodeRoot.removeChild(objNode)
            call s_objXml.save(s_strXmlPath)
        end if
    end function
    
    
    '-----------------------------------------

    '目的：    寻找某个节点
    '参数：    strPath:   节点内容
    '返回：    找到就返回该节点，找不到就返回nothing
    '-----------------------------------------
    private function SelectNode(ByVal strPath)
        dim objNode
        strPath = UCase(strPath)
        for each objNode in s_objNodeRoot.childNodes
            if UCase(objNode.childNodes.item(0).nodeValue) = strPath then
                Set SelectNode = objNode
                exit function
            end if
        next
        set SelectNode = nothing
    end function
    
    '--------------------------------------------
    '目的：    查看DLL文件列表里某个文件注册状态
    '参数：    该文件路径
    '返回：    1=已经注册
    '          0=未注册
    '          -1=找不到该文件
    '--------------------------------------------
    public function CheckDll(strPath)
        dim objNode
        set objNode = SelectNode(strPath)
        if objNode is nothing then
            CheckDll = -1
        else
            CheckDll = Cint(objNode.Attributes.getNamedItem(s_strAttributeName).nodeValue)
        end if
    end function
    
    '--------------------------------------
    '目的：    将所有未注册的DLL注册
    '返回：    如果有某个DLL注册失败就返回TRUE
    '--------------------------------------
    public function RegAllNode()
        dim objNode
        for each objNode in s_objNodeRoot.childNodes
            if objNode.Attributes.getNamedItem(s_strAttributeName).nodeValue = "0" then
                if Reg(objNode.childNodes.item(0).nodeValue , true) then
                    objNode.Attributes.getNamedItem(s_strAttributeName).nodeValue = 1
                else
                    RegAllNode = true
                end if
            end if
        next
    end function
    
    '-----------------------------------------
    '目的：    注册DLL
    '参数：    strPath:    要注册Dll文件路径
    '          blnLoding:    是否等待注册完成才继续执行程序
    '返回：    如果blnLoging=TRUE,注册成功就返回True
    '-----------------------------------------
    private function Reg(strPath , blnLoding)    
        dim objShell
        set objShell = CreateObject("Wscript.Shell")
        if objShell.Run("regsvr32.exe /s " & strPath , , blnLoding) = 0 then
            Reg = true
        end if
        set objShell = nothing
    end function
    
End Class