应用WindowsMFC文档视图结构，根据一本书上的例程结果编写，选择菜单上相应颜色选项点击矩形就可使视图矩形变成指定颜色，同时可以保存修改结果，达到异曲同工的效果。-WindowsMFC View structure, a book based on the results of routine preparation, choice menu click on the corresponding color options can make rectangular View rectangl