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search 'AdjustTokenPrivileges' on codeproject, find the demo all about windows control.

/// @file       testPrivilege.cpp/// @brief      test Privilege enable or disable #include "stdafx.h"#include 
   
    #include 
    
     #include 
     
      BOOL EnablePrivilege(BOOL bEnable = TRUE);int _tmain(int argc, _TCHAR* argv[]){    BOOL bRc = FALSE;    bRc = EnablePrivilege(TRUE);    _tprintf(L"%s : EnablePrivilege(TRUE)\r\n", bRc ? L"OK" : L"ERROR");    bRc = EnablePrivilege(FALSE);    _tprintf(L"%s : EnablePrivilege(FALSE)\r\n", bRc ? L"OK" : L"ERROR");    _tprintf(L"\r\nEND, press any key to quit\r\n");    getwchar();    /** run results    OK : EnablePrivilege(TRUE)    OK : EnablePrivilege(FALSE)    END, press any key to quit    */    return 0;}BOOL EnablePrivilege(BOOL bEnable){    BOOL                bRc = FALSE;    HANDLE              hToken = NULL;    TOKEN_PRIVILEGES    tkp;    ::ZeroMemory(&tkp, sizeof(TOKEN_PRIVILEGES));    bRc = OpenProcessToken(            GetCurrentProcess(),            TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,            &hToken);    if (!bRc)        return bRc;    if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tkp.Privileges[0].Luid))        goto _RaisePrivilege_END;    tkp.PrivilegeCount = 1;    tkp.Privileges[0].Attributes =         bEnable ? SE_PRIVILEGE_ENABLED : SE_PRIVILEGE_REMOVED;    bRc = AdjustTokenPrivileges(            hToken,            FALSE,             &tkp,             0,             (PTOKEN_PRIVILEGES)NULL,             0);    if (!bRc)        goto _RaisePrivilege_END;    bRc = TRUE;_RaisePrivilege_END:    if (NULL != hToken)        CloseHandle(hToken);    return bRc;}
     
    
   

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