使用VC6.0+directxshow8.1，打开摄像头视频，捕捉图像帧，进行图像处理，提取左右动作，发送虚拟键消息！-The use of VC6.0+ directxshow8.1, open the video camera to capture image fr a mes, for image processing, extraction or action, send a virtual key news!