KillProcess – Terminate any application

Private Type LUID   lowpart As Long   highpart As LongEnd TypePrivate Type TOKEN_PRIVILEGES    PrivilegeCount As Long    LuidUDT As LUID    Attributes As LongEnd TypeConst TOKEN_ADJUST_PRIVILEGES = &H20Const TOKEN_QUERY = &H8Const SE_PRIVILEGE_ENABLED = &H2Const PROCESS_ALL_ACCESS = &H1F0FFFPrivate Declare Function GetVersion Lib "kernel32" () As LongPrivate Declare Function GetCurrentProcess Lib "kernel32" () As LongPrivate Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As _    LongPrivate Declare Function OpenProcessToken Lib "advapi32" (ByVal ProcessHandle _    As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As LongPrivate Declare Function LookupPrivilegeValue Lib "advapi32" Alias _    "LookupPrivilegeValueA" (ByVal lpSystemName As String, _    ByVal lpName As String, lpLuid As LUID) As LongPrivate Declare Function AdjustTokenPrivileges Lib "advapi32" (ByVal _    TokenHandle As Long, ByVal DisableAllPrivileges As Long, _    NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, _    PreviousState As Any, ReturnLength As Any) As LongPrivate Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As _    Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As LongPrivate Declare Function TerminateProcess Lib "kernel32" (ByVal hProcess As _    Long, ByVal uExitCode As Long) As Long' Terminate any application and return an exit code to Windows' This works under NT/2000, even when the calling process' doesn't have the privilege to terminate the application' (for example, this may happen when the process was launched'  by yet another program)'' Usage:  Dim pID As Long'         pID = Shell("Notepad.Exe", vbNormalFocus)'         '...'         If KillProcess(pID, 0) Then'             MsgBox "Notepad was terminated"'         End IfFunction KillProcess(ByVal hProcessID As Long, Optional ByVal ExitCode As Long) _    As Boolean    Dim hToken As Long    Dim hProcess As Long    Dim tp As TOKEN_PRIVILEGES        ' Windows NT/2000 require a special treatment    ' to ensure that the calling process has the    ' privileges to shut down the system        ' under NT the high-order bit (that is, the sign bit)    ' of the value retured by GetVersion is cleared    If GetVersion() >= 0 Then        ' open the tokens for the current process        ' exit if any error        If OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES Or _            TOKEN_QUERY, hToken) = 0 Then            GoTo CleanUp        End If                ' retrieves the locally unique identifier (LUID) used        ' to locally represent the specified privilege name        ' (first argument = "" means the local system)        ' Exit if any error        If LookupPrivilegeValue("", "SeDebugPrivilege", tp.LuidUDT) = 0 Then            GoTo CleanUp        End If            ' complete the TOKEN_PRIVILEGES structure with the # of        ' privileges and the desired attribute        tp.PrivilegeCount = 1        tp.Attributes = SE_PRIVILEGE_ENABLED            ' try to acquire debug privilege for this process        ' exit if error        If AdjustTokenPrivileges(hToken, False, tp, 0, ByVal 0&, _            ByVal 0&) = 0 Then            GoTo CleanUp        End If    End If        ' now we can finally open the other process    ' while having complete access on its attributes    ' exit if any error    hProcess = OpenProcess(PROCESS_ALL_ACCESS, 0, hProcessID)    If hProcess Then        ' call was successful, so we can kill the application        ' set return value for this function        KillProcess = (TerminateProcess(hProcess, ExitCode) <> 0)        ' close the process handle        CloseHandle hProcess    End If        If GetVersion() >= 0 Then        ' under NT restore original privileges        tp.Attributes = 0        AdjustTokenPrivileges hToken, False, tp, 0, ByVal 0&, ByVal 0&        CleanUp:        If hToken Then CloseHandle hToken    End IfEnd Function

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