Can I get the protocol sample code was written in C++ Not C# ?

I was wondering if there is Sample code in C++ for protocol integration.

my old system was coded in C++, But I see your protocol sample was coded in C#. Could anyone help me please?

Unfortunately, there is no C++ Protocol samples in SDK Documentation. In component samples, there is only one c++ sample called MediaLiveServiceJPEG –

https://doc.developer.milestonesys.com/html/index.html?base=samples/medialiveservice_cpp.html&tree=tree_search.html?search=medialiveservicejpeg