在注册表中主要操作5个键值：
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkStation -> 禁用 '锁定计算机'按钮
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr-> 禁用 '任务管理器'按钮
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableChangePassword-> 禁用 '更改密码'按钮
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoLogoff -> 禁用 '注销' 按钮
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose-> 禁用 '关机' 按钮
===============================================================
'**注册表操作声明
===============================================================
Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal HKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long
Declare Function RegCloseKey Lib "advapi32.dll" _
(ByVal HKey As Long) _
As Long
Declare Function RegCreateKey Lib "advapi32.dll" _
Alias "RegCreateKeyA" _
(ByVal HKey As Long, _
ByVal lpSubKey As String, _
phkResult As Long) _
As Long
Declare Function RegOpenKeyEx Lib "advapi32.dll" _
Alias "RegOpenKeyExA" _
(ByVal HKey As Long, _
ByVal lpSubKey As String, _
ByVal ulOptions As Long, _
ByVal samDesired As Long, _
phkResult As Long) _
As Long
Enum regKey
Logoff = 0
Shutdown = 1
ChangePassword = 2
TaskMgr = 3
LockWorkstation = 4
End Enum
责任编辑：cyth
