重启Windows 2000/NT系统

Reboots a Windows 2000 PC. Many examples shell to the kernel and just kill the PC. This does it proPerly and takes into account a user privilages.

'API Calls used for RebootPC

Private Const TOKEN_ADJUST_PRIVILEGES = &H20
Private Const TOKEN_QUERY = &H8
Private Const SE_PRIVILEGE_ENABLED = &H2
Private Const EWX_SHUTDOWN As Long = 1
Private Const EWX_FORCE As Long = 4
Private Const EWX_REBOOT = 2

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 dwOptions As Long, ByVal dwReserved As Long) As Long
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


Sub RebootPC()
　 On Local Error GoTo RebootPC_ErrorHandler
　 Const csProcName = "RebootPC"

　 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

　 hProcessHandle = GetCurrentProcess()
　 Call OpenProcessToken(hProcessHandle, TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY, hTokenHandle)

' Get the LUID for the shutdown privilege
　 Call LookupPrivilegeValue("", "SeShutdownPrivilege", tmpLuid)

　 tkpNew.PrivilegeCount = 1 ' One privilege to set
　 tkpNew.TheLuid = tmpLuid
　 tkpNew.Attributes = SE_PRIVILEGE_ENABLED

' Enable the shutdown privilege in the access token of this process.
　 lBufferNeeded = 0
　 Call AdjustTokenPrivileges(hTokenHandle, False, tkpNew, Len(tkpPrevious), tkpPrevious, lBufferNeeded)

' Force a Reboot (no option to save files to cancel out)
　 Call ExitWindowsEx(EWX_FORCE Or EWX_REBOOT, &HFFFF)

　 Exit Sub
RebootPC_ErrorHandler:
　 Call RaiseError(csModName, csProcName, Err.Number, Err.Description)
End Sub

上一篇： 在VB中获取和修改计算机名字
下一篇： 如何用VB准确计算年龄

标签：

版权申明：本站文章部分自网络，如有侵权，请联系：west999com@outlook.com
特别注意：本站所有转载文章言论不代表本站观点，本站所提供的摄影照片，插画，设计作品，如需使用，请与原作者联系，版权归原作者所有