public void MsgCallback(int lCommand, ref CHCNetSDK.NET_DVR_ALARMER pAlarmer, IntPtr pAlarmInfo, uint dwBufLen, IntPtr pUser)
{
//通过lCommand来判断接收到的报警信息类型，不同的lCommand对应不同的pAlarmInfo内容
switch (lCommand)
{
case CHCNetSDK.COMM_ITS_PLATE_RESULT://交通抓拍结果上传(新报警信息类型)
DebugInfo("新报警信息");
ProcessCommAlarm_ITSPlate(ref pAlarmer, pAlarmInfo, dwBufLen, pUser);
break;
default:
DebugInfo("未知报警信息");
break;
}
}
private void ProcessCommAlarm_ITSPlate(ref CHCNetSDK.NET_DVR_ALARMER pAlarmer, IntPtr pAlarmInfo, uint dwBufLen, IntPtr pUser)
{
CHCNetSDK.NET_ITS_PLATE_RESULT struITSPlateResult = new CHCNetSDK.NET_ITS_PLATE_RESULT();
uint dwSize = (uint)Marshal.SizeOf(struITSPlateResult);
struITSPlateResult = (CHCNetSDK.NET_ITS_PLATE_RESULT)Marshal.PtrToStructure(pAlarmInfo, typeof(CHCNetSDK.NET_ITS_PLATE_RESULT));
//保存抓拍图片
for (int i = 0; i < struITSPlateResult.dwPicNum; i++)
{
if (struITSPlateResult.struPicInfo[i].dwDataLen != 0)
{
string str = "D:/UserID_" + pAlarmer.lUserID + "_Pictype_" + struITSPlateResult.struPicInfo[i].byType + "_Num" + (i + 1) + ".jpg";
FileStream fs = new FileStream(str, FileMode.Create);
int iLen = (int)struITSPlateResult.struPicInfo[i].dwDataLen;
byte[] by = new byte[iLen];
Marshal.Copy(struITSPlateResult.struPicInfo[i].pBuffer, by, 0, iLen);
fs.Write(by, 0, iLen);
fs.Close();
}
}
}
