MFC + Halcon做的图片放大缩小，还可以在子窗口进行显示，放大缩小。 功能非常不错！(MFC + Halcon to do the picture zoom in and out, you can also display in the sub window, zoom in and out. The function is very good!)

基于MFC的图片预览，界面非常不错，支持图片放大缩小！(MFC based preview of the picture, the interface is very large, support the image zoom!)