Clase Para Reiniciar, Apagar, Suspender, Deslogar el servidor web - ASP.NET

Esta clase permite reiniciar, apagar o suspender el servidor web (Válido para aplicaciones web y de escritorio)

Imports System
' Import used for DLLImport Attribute
Imports System.Runtime.InteropServices

Module modToken
' Constants
Const SE_PRIVILEGE_ENABLED As Integer = &H2
Const TOKEN_QUERY As Integer = &H8
Const TOKEN_ADJUST_PRIVILEGES As Integer = &H20
Const SE_SHUTDOWN_NAME As String = "SeShutdownPrivilege"
' Exit Windows Constants
Const EWX_LOGOFF As Integer = &H0
Const EWX_SHUTDOWN As Integer = &H1
Const EWX_REBOOT As Integer = &H2
Const EWX_FORCE As Integer = &H4
Const EWX_POWEROFF As Integer = &H8
Const EWX_FORCEIFHUNG As Integer = &H10

'Structure
_
Friend Structure Luid
Public Count As Integer
Public Luid As Long
Public Attr As Integer
End Structure 'TokPriv1Luid

' Lock Workstation
_
Function LockWorkStation() As Boolean
End Function

' Get Current Processes
_
Function GetCurrentProcess() As IntPtr
End Function

' Open Process Token
_
Function OpenProcessToken(ByVal h As IntPtr, ByVal acc As Integer, ByRef phtok As IntPtr) As Boolean
End Function

' Look up Priviledge Value
_
Friend Function LookupPrivilegeValue(ByVal host As String, ByVal name As String, ByRef pluid As Long) As Boolean
End Function

' Adjust Token Priviledges
_
Friend Function AdjustTokenPrivileges(ByVal htok As IntPtr, ByVal disall As Boolean, ByRef newst As Luid, ByVal len As Integer, ByVal prev As IntPtr, ByVal relen As IntPtr) As Boolean
End Function

' Exit Windows
_
Friend Function ExitWindowsEx(ByVal flg As Integer, ByVal rea As Integer) As Boolean
End Function

' Exit Windows Sub
Private Sub DoExitWindows(ByVal flg As Integer)
Dim tp As Luid
Dim hproc As IntPtr = GetCurrentProcess()
Dim htok As IntPtr = IntPtr.Zero
OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY, htok)
tp.Count = 1
tp.Luid = 0
tp.Attr = SE_PRIVILEGE_ENABLED
LookupPrivilegeValue(Nothing, SE_SHUTDOWN_NAME, tp.Luid)
AdjustTokenPrivileges(htok, False, tp, 0, IntPtr.Zero, IntPtr.Zero)
ExitWindowsEx(flg, 0)
End Sub

' Shutdown
Public Sub Shutdown()
DoExitWindows(EWX_SHUTDOWN)
End Sub

' Restart
Public Sub Restart()
DoExitWindows(EWX_REBOOT Or EWX_FORCE)
End Sub

' Log off
Public Sub LogOff()
DoExitWindows(EWX_LOGOFF)
End Sub

' Lock Workstation
Public Sub LockTheComputer()
LockWorkStation()
End Sub
End Module

Funciones:
Shutdown()
Restart()
LogOff()
LockTheComputer()

tutorial de: trucos