用菜单调用绘制圆、矩形、回弹球菜单，在窗口中绘制出这三个图形，同时完成用菜单调用模态对话框和非模态对话框功能。-Rendering using the menu called yen, rectangular, pinball back to the menu in the window to map out the three graphics, at the same time using the menu called model