下面是相关的函数 Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
Public Const EWX_LOGOFF = 0 Public Const EWX_SHUTDOWN = 1 Public Const EWX_REBOOT = 2 Public Const EWX_FORCE = 4
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
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
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
AdjustTokenPrivileges hdlTokenHandle, False, tkp, _ Len(tkpNewButIgnored), tkpNewButIgnored, _ lBufferNeeded End Sub ---------------------------------------------------------------
这是我做的一个定时关机的程序 Option Explicit
Dim mDattime As Date
Private Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
Private Declare Function AdjustTokenPrivileges Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal DisableAllPrivileges As Long, NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, PreviousState As Long, ReturnLength As Long) As Long Private Declare Function GetTokenInformation Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal TokenInformationClass As Long, TokenInformation As Any, ByVal TokenInformationLength As Long, ReturnLength As Long) As Long Private Declare Function LookupPrivilegeValue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, ByRef lpLuid As LARGE_INTEGER) As Long
Private Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long Private Declare Function GetCurrentProcessId Lib "kernel32" () As Long Private Declare Function GetCurrentProcess Lib "kernel32" () As Long Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Type LARGE_INTEGER lowpart As Long highpart As Long End Type
Private Type LUID lowpart As Long highpart As Long End Type Private Type LUID_AND_ATTRIBUTES pLuid As LUID Attributes As Long End Type Private Type TOKEN_PRIVILEGES PrivilegeCount As Long Privileges(0) As LUID_AND_ATTRIBUTES End Type
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由于NT下关机还要获得相应的权限,你可以使用下面的代码
AdjustTokenPrivilegesForNT'先获得权限
ExitWindowsEx uFlags, 0
下面是相关的函数
Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
Public Const EWX_LOGOFF = 0
Public Const EWX_SHUTDOWN = 1
Public Const EWX_REBOOT = 2
Public Const EWX_FORCE = 4
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
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
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
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这是我做的一个定时关机的程序
Option Explicit
Dim mDattime As Date
Private Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
Private Declare Function AdjustTokenPrivileges Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal DisableAllPrivileges As Long, NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, PreviousState As Long, ReturnLength As Long) As Long
Private Declare Function GetTokenInformation Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal TokenInformationClass As Long, TokenInformation As Any, ByVal TokenInformationLength As Long, ReturnLength As Long) As Long
Private Declare Function LookupPrivilegeValue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, ByRef lpLuid As LARGE_INTEGER) As Long
Private Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long
Private Declare Function GetCurrentProcessId Lib "kernel32" () As Long
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Const EWX_LOGOFF = 0 '注销当前用户
Private Const EWX_POWEROFF = 8 '关闭系统并关闭电源
Private Const EWX_SHUTDOWN = 1 '关闭系统使之能安全关闭电源
Private Const EWX_REBOOT = 2 '关闭系统并重启
Private Const EWX_FORCE = 4 '应用程序强制关闭
Private Const EWX_FORCEIFHUNG = 16 '如果应用程序已挂起,强制关闭
Private Const SE_PRIVILEGE_ENABLED = &H2
Private Const SE_PRIVILEGE_ENABLED_BY_DEFAULT = &H1
Private Const SE_PRIVILEGE_USED_FOR_ACCESS = &H80000000
Private Const TOKEN_ADJUST_PRIVILEGES = &H20
Private Const TOKEN_QUERY_SOURCE = &H10
Private Const TOKEN_QUERY = &H8
Private Const ANYSIZE_ARRAY = 1
Private Const SE_SHUTDOWN_NAME = "SeShutdownPrivilege"
Private Const PROCESS_SET_INFORMATION = &H200
Private Const PROCESS_QUERY_INFORMATION = &H400
Private Type LARGE_INTEGER
lowpart As Long
highpart As Long
End Type
Private Type LUID
lowpart As Long
highpart As Long
End Type
Private Type LUID_AND_ATTRIBUTES
pLuid As LUID
Attributes As Long
End Type
Private Type TOKEN_PRIVILEGES
PrivilegeCount As Long
Privileges(0) As LUID_AND_ATTRIBUTES
End Type
Private Sub Command1_Click()
mDattime = CDate(txtHour.Text & ":" & txtMinute.Text)
Form1.WindowState = 1
End Sub
Private Sub Shutdown()
Dim lAPIReturn As Long
Dim tTOKPRI As TOKEN_PRIVILEGES
Dim tLUID As LUID
Dim tLarInt As LARGE_INTEGER
Dim lRequired As Long
Dim hTokHan As Long
Dim hProcess As Long
If LookupPrivilegeValue(vbNullString, SE_SHUTDOWN_NAME, tLarInt) = 0 Then
MsgBox "Get LUID error!", vbOKOnly, "Error"
Exit Sub
End If
tLUID.highpart = tLarInt.highpart
tLUID.lowpart = tLarInt.lowpart
tTOKPRI.PrivilegeCount = 1
tTOKPRI.Privileges(0).Attributes = SE_PRIVILEGE_ENABLED
tTOKPRI.Privileges(0).pLuid = tLUID
hProcess = GetCurrentProcess()
lAPIReturn = OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES + TOKEN_QUERY, hTokHan)
lAPIReturn = AdjustTokenPrivileges(hTokHan, 0, tTOKPRI, Len(tTOKPRI), 0, 0)
' lAPIReturn = ExitWindowsEx(EWX_LOGOFF, 0)
' lAPIReturn = ExitWindowsEx(EWX_SHUTDOWN, 0)
lAPIReturn = ExitWindowsEx(EWX_POWEROFF, 0)
' lAPIReturn = ExitWindowsEx(EWX_REBOOT, 0)
' lAPIReturn = ExitWindowsEx(EWX_FORCE, 0)
' lAPIReturn = ExitWindowsEx(EWX_FORCEIFHUNG, 0)
If lAPIReturn = 0 Then
MsgBox "Function calling error!", vbOKOnly, "错误"
End If
lAPIReturn = CloseHandle(hTokHan)
End Sub
Private Sub Form_Load()
Timer1.Enabled = True
End Sub
Private Sub Timer1_Timer()
If Format(Time, "hh:mm:ss") = mDattime Then
' If Minute(Time) = 0 Then
Shutdown
End If
End Sub