module1.bas

WinCC 污水处理系统源程序.里面包含了许多VB6制作的功能组件.很有参考意义.

Attribute VB_Name = "Module1"
Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long

Declare Function GetCurrentProcess Lib "kernel32" () As Long
Declare Function LookupPrivilegeValue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, lpLuid As LUID) As Long
Declare Function AdjustTokenPrivileges Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal DisableAllPrivileges As Long, NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, PreviousState As TOKEN_PRIVILEGES, ReturnLength As Long) As Long
Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long


Public Const TOKEN_ADJUST_PRIVILEGES = &H20
Public Const TOKEN_QUERY = &H8
Public Const SE_PRIVILEGE_ENABLED = &H2
Public Const ANYSIZE_ARRAY = 1

Type LUID
    lowpart As Long
    highpart As Long
End Type

Type LUID_AND_ATTRIBUTES
    pLuid As LUID
    Attributes As Long
End Type

Type TOKEN_PRIVILEGES
    PrivilegeCount As Long
    Privileges(ANYSIZE_ARRAY) As LUID_AND_ATTRIBUTES
End Type

Sub AdjustTokenPrivilegesForNT()

    Dim hdlProcessHandle As Long
    Dim hdlTokenHandle As Long
    Dim tmpLuid As LUID
    Dim tkp As TOKEN_PRIVILEGES
    Dim tkpNewButIgnored As TOKEN_PRIVILEGES
    Dim lBufferNeeded As Long
  
    hdlProcessHandle = GetCurrentProcess()
    OpenProcessToken hdlProcessHandle, TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY _
                    , hdlTokenHandle

    LookupPrivilegeValue "", "SeShutdownPrivilege", tmpLuid
    tkp.PrivilegeCount = 1
    tkp.Privileges(0).pLuid = tmpLuid
    tkp.Privileges(0).Attributes = SE_PRIVILEGE_ENABLED

    AdjustTokenPrivileges hdlTokenHandle, False, tkp, _
                         Len(tkpNewButIgnored), tkpNewButIgnored, _
                          lBufferNeeded
 End Sub
Sub main()
AdjustTokenPrivilegesForNT
ExitWindowsEx 4, 0
End Sub