public static extern bool GetTokenInformation(SafeTokenHandle TokenHandle, TOKEN_INFORMATION_CLASS TokenInformationClass, IntPtr TokenInformation, int TokenInformationLength, out uint ReturnLength);
public static extern bool OpenProcessToken(IntPtr ProcessHandle, TOKEN DesiredAccess, out SafeTokenHandle TokenHandle);
public static extern bool AdjustTokenPrivileges(SafeTokenHandle TokenHandle, [MarshalAs(UnmanagedType.Bool)] bool DisableAllPrivileges, [In] ref TOKEN_PRIVILEGES NewState, uint BufferLength, IntPtr PreviousState, IntPtr ReturnLength);