vfw读取摄像头演示程序，一个程序主要使用vfw读取每帧图片，一边显示，一边写入剪贴板，另一个从剪贴板读取图片并显示-Read vfw camera demo program, a program primarily used vfw read each frame pictures, while the display, while written to the clipboard, another read and display images from the clipboard