计算机二级VisualBasic辅导:控制网页的FORMS行为
来源:优易学  2010-1-15 15:56:05   【优易学:中国教育考试门户网】   资料下载   IT书店

 

  '打开
  RetVal = RegOpenKeyEx(EnmHive, StrSubKey, 0, EnmAccess, HKey)
  If RetVal <> ERROR_SUCCESS Then
  '撤销
  HKey = 0
  End If
  GetSubKeyHandle = HKey
  End Function
  ================================================================
  '******下面过程是怎样在对话框中禁止按钮
  ================================================================
  Public Sub WinSecurity(ByVal regSET As regKey, ByVal Enabled As Boolean)
  '变量声明
  Dim Command As String
  '选择键
  Select Case regSET
  Case Logoff: Command = "NoLogoff"
  Case Shutdown: Command = "NoClose"
  Case ChangePassword: Command = "DisableChangePassword"
  Case TaskMgr: Command = "DisableTaskMgr"
  Case LockWorkstation: Command = "DisabeLockWorkstation"
  End Select
  '写入值
  If Command = "NoLogoff" Then Call CreateKey(HKEY_CURRENT_USER, "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer", Command, Not Enabled): GoTo SKIPOUT
  If Command = "NoClose" Then Call CreateKey(HKEY_CURRENT_USER, "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer", Command, Not Enabled): GoTo SKIPOUT
  Call CreateKey(HKEY_CURRENT_USER, "Software\Microsoft\Windows\CurrentVersion\Policies\System", Command, Not Enabled)
  SKIPOUT:
  End Sub
   ================================================================
  '**************调用方法
  ================================================================
  WinSecurity (Shutdown, False)

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