随着通信技术与多媒体技术的飞速发展,以多媒体视频为主的应用得到了广阔的发展,在这些视频应用领域中,若想进行图像处理就要先进行视频捕获.鉴于此,文章对Windows系统下的VFW体系结构进行了论述、给出了视频开发的相关Windows API函数,分析了视频捕获的工作流程 并用VB来设计和实现视频捕捉程序,具体的给出了程序的代码,最后给出了测试结果,证明是可以捕捉的-As communications technology and the rapid development of multimedia technology, multimedia video-based applications in order to get a broad development in these video applications in image processing is necessary if you want to capture the video first view of this, the article on Windows systems the VFW architecture were discussed, given the development of related video Windows API functions, analyzes video capture workflow　and using VB to design and implement video capture process, specific procedures are given the code, Finally the test results, that can be captured