PID是一种COM组件。它一般实现了一个标准的Filter Graph Manager不支持的接口，并被Filter Graph Manager运行时聚合使用。-PID is a COM. It generally achieve a standard Graph Filter Manager does not support the interface, Graph Filter Manager was running polymerization use.

基于dshow的摄像头控制类,使用方便,在原有基础上加了拍照函数,摄像头属性页函数,根据VID,PID或摄像头名获取摄像头ID函数,录像函数.-Based the dshow of a camera control, easy to use, based on the original, plus the camera function, the camera property page function, VID, PID or camera name for the camera ID fu