说明：  这是一个纯粹的Win32 API 应用程序，No MFC。程序示范了VFW(Video for Windows)的使用。显示来自摄像头的视频并可以将视频截获下来保存为AVI文件。程序示范了非矩形窗口编程以及“文件保存”通用对话框的实现。本代码是初学者不可多得的例子程序。
(This is a pure Win32 API application, No. MFC. The VFW procedure Model (Video for Windows) use. To show that the video camera and video can be intercepted from AVI to preserve documents. Procedures model of non-rectangular windows programming and "save the file" common dialog achieved. This code is a rare example of beginners procedures.)