操作系统实验报告：动态内存分配与回收 VC基本对话框画图演示分配与回收的过程。-Experimental report operating system: Dynamic memory allocation and recovery of basic dialog VC presentation drawing distribution and recovery process.

基于MFC的画图程序，是我自己编写的，用处很大哦-MFC Draw progress

这是本人学习二次开发的成果。基于VB语言，对gis软件进行二次开发的代码，对于学习开发的同学很有帮助，里面实现了基本的画图功能，而且可以查询元素属性以及简单统计，渲染,和缓冲区分析功能。-VB language, the secondary development of GIS software code helpful for students learning to develop, which implements basic drawing functions, and can quer