如何将GetLastError()返回的错误代码转换成字符串

LPVOID   lpMsgBuf;DWORD lastError=GetLastError ();FormatMessage(   FORMAT_MESSAGE_ALLOCATE_BUFFER   |   FORMAT_MESSAGE_FROM_SYSTEM   |   FORMAT_MESSAGE_IGNORE_INSERTS, NULL, lastError, MAKELANGID(LANG_NEUTRAL,   SUBLANG_DEFAULT),   //   Default   language (LPTSTR)   &lpMsgBuf, 0, NULL   ); MessageBox(hWnd,(LPCTSTR)lpMsgBuf,"Error",MB_OK);