用VC编写的一个单文档程序，其中点击文档，托动鼠标可以画圆，点击圆心坐标时，显示所有圆心的位置。-VC prepared using a single document procedures, click on the document, asked to move the computer mouse can drawcircle, click on the center coordinates indicating the location of all the center of a ci

在一个窗口中分为4个小窗口，每个窗口中显示直线、三角、填充颜色的三角、填充颜色的圆；点击鼠标，当前小窗口覆盖整个窗口，图像可移动可缩放-In a window divided into 4 small windows, each window display line, triangle, triangle fill color, fill color of the circle click of the mouse, the current small window cover the en

实现二维几何图形线，圆，矩形的移动，画笔，画刷，颜色的选择。-Achieve two-dimensional geometry line, circle, rectangle move, brush, brush, color selection.

这个程序是单文本程序，由 Microsoft Visual Stdio C++ 6.0 MFC编成 实现功能：圆的放大，缩小，移动。 实现方法：左击，右击，按住CTRL。-This procedure is a single text program, the Microsoft Visual Stdio C++ 6.0 MFC compiled Function: round zoom, move. Method: left click, right click, ho