提权操作函数

DWORD AdjustProcessToken(HANDLE hProcess, LPCTSTR lpPrivilegeName)
{ 
    HANDLE hToken;
    TOKEN_PRIVILEGES tp;
    tp.PrivilegeCount =1;
    tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
    if(!OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES,&hToken))
    { 
         return GetLastError();
    } 
    if(!LookupPrivilegeValue(NULL, lpPrivilegeName, &tp.Privileges[0].Luid))
    { 
        return GetLastError();
    } 
    if(!AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES),NULL,NULL))
    { 
         return GetLastError();
    } 
    return 0;
}