《学通Visual C 的24堂课（软件开发羊皮卷）系列》第20课屏幕录像模块，包括屏幕抓图 、抓取鼠标、将位图数据流写入AVI文件、将AVI文件转换成位图数据等-"Learning through Visual C 24 lessons (software development scrolls) series," The first 20-screen video lesson modules, including screen shots, grab the mouse, to write