FormatMessage

/**  * 函数：XFormatMessage * 描述：格式化GetLastError信息 * 参数： *lpszFunc 调用函数名字 *lpszMsg 输出错误信息 *nMsgBuff 缓冲区长度 * 返回：错误码 */DWORD XFormatMessage(LPCTSTR lpszFunc, LPTSTR lpszMsg, int nMsgBuff){    LPVOID lpMsgBuf;    DWORD dwError = GetLastError();    FormatMessage(        FORMAT_MESSAGE_ALLOCATE_BUFFER |        FORMAT_MESSAGE_FROM_SYSTEM,        NULL,        dwError,        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),        (LPTSTR) &lpMsgBuf,        0, NULL );    wnsprintf(lpszMsg, nMsgBuff,        _T("%s 出错信息 (出错码＝%d): %s"),        lpszFunc, dwError, lpMsgBuf);    LocalFree(lpMsgBuf);    OutputDebugString(lpszMsg);return dwError;}