使用Direct show从摄像头采集图片，判断图像中是否有运动人体，并进行报警和保留样本，可用于智能监控。-show from the use of Direct Acquisition camera pictures, to judge whether there are images of human movement, and the police and retain samples for intelligent monitoring.

C#语言的direct show实例，非常实用，希望大家使用-direct show sample in C# language, very good, please to learn from this