本程序是基于文档和对话框的程序，其特点是在文档窗口中加入背景图，并且在对话框中添加了一些动态控件，修改一下就可以应用于自己的程序中，添加了美观性-this program is based on documents and the dialog box procedure, which was characterized in the document window into the background map, and in the