MFC双缓冲绘图,正弦波移动,适合工控数据采集.-MFC double buffering graphics, sine-wave movement, suitable for industrial data acquisition.

获取 保存BMP,把内存中的HBITMAP对象保存为本地文件,实现存储当前客户区为图片-Acquisition, preservation BMP. To save memory HBITMAP object to a local file, you can achieve the client area to store the current picture.