设计了一个CAD小型软件，该软件所具备的功能有：基本绘图功能（包括画点，画线，画圆，画折线，画多边形）和删除、移动的功能。在设计中，运用了MFC的基本知识及链式存储、队列等知识实现了以上功能。(A small CAD software is designed, which has functions of basic drawing, including drawing points, drawing lines, drawing circles, drawing polygons, drawing polygons, and removing and moving functions. In the design, the above functions are realized by using the basic knowledge of MFC and the knowledge of chain storage, queue and so on.)