组播数据接收程序V1.0，采用C++ Builder 6.0编写。基于多线程模式，封装了组播接收类。接收组播数据并以滚动曲线图方式显示每秒收到的数据包个数。-multicast data reception procedures V1.0, the C Builder 6.0. Based on multi-threaded model, Packaging, a multicast receiving category. Multicast data and receive a rolling