最近写了一个自动关机的程序,但关机不能关闭电源,只能显示"你可以安全的关机了",然后还得手工按"POWER"键关机,请问如何实现关机自动关闭电源呢,谢谢指教.
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Private Declare Function GetVersionEx Lib "kernel32" Alias "GetVersionExA" (lpVersionInformation As OSVERSIONINFO) As Long
Private Type OSVERSIONINFO
dwOSVersionInfoSize As Long
dwMajorVersion As Long
dwMinorVersion As Long
dwBuildNumber As Long
dwPlatformId As Long
szCSDVersion As String * 128
osName As String
End Type
'计算机操作################################################
Private Declare Function SetSystemPowerState Lib "kernel32" (ByVal fSuspend As Long, ByVal fForce As Long) As Long
Private Enum HowExitConst
EWX_LOGOFF = 0
EWX_SHUTDOWN = 1
EWX_REBOOT = 2
EWX_FORCE = 4
EMX_POWEROFF = 8
End Enum
Private Const TOKEN_ADJUST_PRIVILEGES = &H20
Private Const TOKEN_QUERY = &H8
Private Const SE_PRIVILEGE_ENABLED = &H2
Private Const ANYSIZE_ARRAY = 1
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(ANYSIZE_ARRAY) As LUID_AND_ATTRIBUTES
End Type
Private Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function GetCurrentProcessId Lib "kernel32" () As Long
Private Declare Function LookupPrivilegevalue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, lpLuid As LUID) 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 TOKEN_PRIVILEGES, ReturnLength As Long) As Long
Private Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As LongPrivate Sub Halt()
Dim method As HowExitConst
method = EWX_SHUTDOWN + EWX_FORCE + EMX_POWEROFF
Call AdjustToken
Call ExitWindowsEx(method, 0)
End Sub
Private Sub AdjustToken()
On Error Resume Next
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
'###############################################
Private Function GetWindowsVersion() As Long
Dim ver As OSVERSIONINFO
ver.dwOSVersionInfoSize = 148
GetVersionEx ver
GetWindowsVersion = ver.dwPlatformId
End FunctionPublic Sub CloseComputer() '关闭计算机
Dim ver As Long
ver = GetWindowsVersion()
If ver = 1 Then '95,98
Call ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE + EMX_POWEROFF, 0)
Else '2000以上
Call Halt
End If
End Sub
'窗体代码.Private Sub Command1_Click()
CloseComputer'关机
End Sub