typedef struct tagNET_DVR_PRESET_NAME
{
    DWORD dwSize;
    WORD wPresetNum; //预置点编号
    BYTE byRes1[2]; //字节对齐 
    char byName[NAME_LEN];
    WORD wPanPos;//水平参数 如果获取到的数据大于360默认减去360
    WORD wTiltPos;//垂直参数 如果获取到的数据大于360默认减去360
    WORD wZoomPos;//变倍参数如果获取到的数据大于360默认减去360
    BYTE byRes[58];
}NET_DVR_PRESET_NAME, *LPNET_DVR_PRESET_NAME;

NET_DVR_PRESET_NAME presetNameList[MAX_PRESET_V30];

HPR_INT32 iChanNum = -1;
if(HPR_TRUE != NET_DVR_GetDVRConfig(m_nLoginId, NET_DVR_GET_PRESET_NAME, (LONG)iChanNum, presetNameList, sizeof(presetNameList), &iRetLen))
{                    
    HIKDEV_WARN("device: %s:%d, login_id:%d, errcode_i: %d, errcode_e: %d, this:%X, desc: %s", m_sIp.c_str(), m_nPort, m_nLoginId, 0,  NET_DVR_GetLastError(), this, "NET_DVR_GET_DEVICECFG_V40 fail");
    return nRet;
}

    for (int i = 0; i < iChanNum; i++)
    {
        Index = presetNameList[i].wPresetNum;

        std::string strUtf8 = "";
        std::string strGB = string(presetNameList[i].byName);
        strUtf8 = convertor::gb2312_to_utf8(strGB);

    }