VB关机程序--包括注销、重启、关机

VB关机程序--包括注销、重启、关机。 附：（源码） Option Explicit Private Declare Function GetCurrentProcess Lib "kernel32" () As Long Private Declare Function OpenProcessToken Lib "advapi32" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long Private Declare Function LookupPrivilegeValue Lib "advapi32" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, lpLuid As LUID) As Long Private Declare Function AdjustTokenPrivileges Lib "advapi32" (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 Const TOKEN_ADJUST_PRIVILEGES = &H20 Const TOKEN_QUERY = &H8 Const SE_PRIVILEGE_ENABLED = &H2 Private Type LUID UsedPart As Long IgnoredForNowHigh32BitPart As Long End Type Private Type TOKEN_PRIVILEGES PrivilegeCount As Long TheLuid As LUID Attributes As Long End Type Private Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long Const HELP_CONTENTS = &H3& Const EWX_WAIT = 16 Const EWX_REBOOT = 2 '重起 Const EWX_LOGOFF = 0 '注销 Const EWX_FORCE = 4 '终止没有响应的进程 Const EWX_SHUTDOWN = 8 '关闭电源 Private Sub Command1_Click() ExitWindowsEx EWX_REBOOT, 0 End Sub Private Sub Command2_Click() ExitWindowsEx EWX_FORCE Or EWX_SHUTDOWN, 0 End Sub Private Sub Command3_Click() ExitWindowsEx EWX_LOGOFF, 0 End Sub Private Sub Command4_Click() End End Sub Private Sub Form_Load() Dim hProcessHandle As Long Dim hTokenHandle As Long Dim tmpLuid As LUID Dim tkpNew As TOKEN_PRIVILEGES Dim tkpPrevious As TOKEN_PRIVILEGES Dim lBufferNeeded As Long '获取当前进程的一个伪句柄 hProcessHandle = GetCurrentProcess() OpenProcessToken hProcessHandle, TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY, hTokenHandle LookupPrivilegeValue "", "SeShutdownPrivilege", tmpLuid tkpNew.PrivilegeCount = 1 tkpNew.TheLuid = tmpLuid tkpNew.Attributes = SE_PRIVILEGE_ENABLED lBufferNeeded = 0 '允许当前应用程序有关闭操作系统的权限 AdjustTokenPrivileges hTokenHandle, False, tkpNew, Len(tkpPrevious), tkpPrevious, lBufferNeeded End Sub