02/02/2004, 15:17
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| | | Fecha de Ingreso: diciembre-2003
Mensajes: 288
Antigüedad: 20 años, 11 meses Puntos: 0 | |
| Por cierto si quieres trabajar con el codigo q te di, si q funciona pero utiliza ad+ la api AdjustTokenPrivileges, te paso un ejemplo q he echo utilizando esta misma api pero para reiniciar el ordenador ahi va:
Option Explicit
' CONSTANTES Y DECLARACIONES PARA SALIR DE WINDOWS
' Cerrar todos los programas e iniciar la sesión como
' un usuario distinto
Private Const EWX_LOGOFF = 0
' Apagar el equipo
Private Const EWX_SHUTDOWN As Long = 1
' Reiniciar el equipo
Private Const EWX_REBOOT = 2
' Forzar el apagado. Los ficheros abiertos se pueden perder. Las
' aplicaciones no preguntarán si se quieren guardar las modificaciones
Private Const EWX_FORCE As Long = 4
'
Private Declare Function ExitWindowsEx Lib "user32" (ByVal _
dwOptions As Long, ByVal dwReserved As Long) As Long
'DECLARACIONES PARA OBTENER EL PERMISO NECESARIO EN NT
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 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
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
Private Sub btnApagar_Click()
Dim ret As Long, Forzar As Long
AdjustToken
Forzar = IIf(optForzar.Value, 4, 0)
ret = ExitWindowsEx(cmbTipoApagado.ItemData(cmbTipoApaga do.ListIndex) + Forzar, 0&)
End Sub
Private Sub Form_Load()
cmbTipoApagado.AddItem "LOGOFF"
cmbTipoApagado.ItemData(cmbTipoApagado.NewIndex) = EWX_LOGOFF
cmbTipoApagado.AddItem "SHUTDOWN"
cmbTipoApagado.ItemData(cmbTipoApagado.NewIndex) = EWX_SHUTDOWN
cmbTipoApagado.AddItem "REBOOT"
cmbTipoApagado.ItemData(cmbTipoApagado.NewIndex) = EWX_REBOOT
cmbTipoApagado.ListIndex = 0
End Sub |