Public Const EWX_SHUTDOWN As Long = 1
Public Declare Function ExitWindowsEx Lib "user32" (ByVal dwOptions As Long, ByVal dwReserved As Long) As LongExitWindowsEx EWX_SHUTDOWN, 0在NT和2000,用程序去关机需要一定的权限。以下是MSDN里的做法:Step By Step Example
Create a new standard EXE in Visual Basic. Form1 is created by default.
View the code for Form1. In the Declarations section, add the following code: 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 Const EWX_SHUTDOWN As Long = 1
Private Const EWX_FORCE As Long = 4
Private Const EWX_REBOOT = 2 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
Add a procedure called AdjustToken with the following code: Private Sub AdjustToken()
Const TOKEN_ADJUST_PRIVILEGES = &H20
Const TOKEN_QUERY = &H8
Const SE_PRIVILEGE_ENABLED = &H2
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 ' Get the LUID for shutdown privilege.
LookupPrivilegeValue "", "SeShutdownPrivilege", tmpLuid tkp.PrivilegeCount = 1 ' One privilege to set
tkp.TheLuid = tmpLuid
tkp.Attributes = SE_PRIVILEGE_ENABLED ' Enable the shutdown privilege in the access token of this process.
AdjustTokenPrivileges hdlTokenHandle, False, _
tkp, Len(tkpNewButIgnored), tkpNewButIgnored, lBufferNeeded End Sub
Add a CommandButton to the form. In the Click event, add the following code: Private Sub Command1_Click()
AdjustToken
ExitWindowsEx (EWX_SHUTDOWN Or EWX_FORCE Or EWX_REBOOT), &HFFFF
End Sub
Public Declare Function ExitWindowsEx Lib "user32" (ByVal dwOptions As Long, ByVal dwReserved As Long) As LongExitWindowsEx EWX_SHUTDOWN, 0在NT和2000,用程序去关机需要一定的权限。以下是MSDN里的做法:Step By Step Example
Create a new standard EXE in Visual Basic. Form1 is created by default.
View the code for Form1. In the Declarations section, add the following code: 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 Const EWX_SHUTDOWN As Long = 1
Private Const EWX_FORCE As Long = 4
Private Const EWX_REBOOT = 2 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
Add a procedure called AdjustToken with the following code: Private Sub AdjustToken()
Const TOKEN_ADJUST_PRIVILEGES = &H20
Const TOKEN_QUERY = &H8
Const SE_PRIVILEGE_ENABLED = &H2
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 ' Get the LUID for shutdown privilege.
LookupPrivilegeValue "", "SeShutdownPrivilege", tmpLuid tkp.PrivilegeCount = 1 ' One privilege to set
tkp.TheLuid = tmpLuid
tkp.Attributes = SE_PRIVILEGE_ENABLED ' Enable the shutdown privilege in the access token of this process.
AdjustTokenPrivileges hdlTokenHandle, False, _
tkp, Len(tkpNewButIgnored), tkpNewButIgnored, lBufferNeeded End Sub
Add a CommandButton to the form. In the Click event, add the following code: Private Sub Command1_Click()
AdjustToken
ExitWindowsEx (EWX_SHUTDOWN Or EWX_FORCE Or EWX_REBOOT), &HFFFF
End Sub
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