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 dialog box to add some dynami