MFC对话框打开一幅图片，并在picture中显示，最后保存图片，过程详尽，有图解-MFC dialog to open a picture and display it in the picture, and finally save pictures and detailed process, graphic

开发窗口应用程序中，一般都会使用到文件保存对话框，我在这里提供其中一种方法-Developing windows applications, usually to a file using the Save dialog box, I am here to provide methods