用MFC输出波形，实现滤波器功能，智能控件，多路波形可同时采集输出，并进行先关处理，-With MFC output waveform, implementing the filter function, intelligent control, multi-channel output waveform can gather, and first off process,

一个用MFC写的滤波器源代码,代码结构非常精巧,可以参考 功能-A filter source code, written in MFC code structure is very exquisite, can reference function