此源码是我更改过的基于VFW(Video for Windows)的源码，使用了定时器能实时的显示图像，从网上可搜到原版源码，但是原版的功能是保存为一个文件，且不能实时显示，此版本虽然能显示，但感觉反应速度不是很快，没有基于DirectShow的程序更新速度快，不过在WM_PAINT消息处理里加while(1){capGrabfr a me(ghWndCap) }刷新速度就快很多了，但是这样程序就进入死循环不能再处理其他消息，至于怎样改进，就靠读者你了。-This source is changed based on the VFW (Video for Windows) source, the use of a timer can display real-time images from the Internet can be found to the original source, but original function is saved as a file and can not be displayed in real time, Although this version can be displayed, but felt that the response speed is not fast, is not based on DirectShow program updates faster, but in the WM_PAINT message handling Riga while (1) {capGrabfr a me (ghWndCap) } refresh rate is a bit faster, but this program to enter an infinite loop can no longer handle other news, as to how to improve the reader to rely on you.