代码是用来实现在对话框窗口中进行绘图操作的c++的程序代码,好，适用于初学者学习与指导-Code is used to achieve the drawing operations c++ dialog window procedure code, suitable for beginners to learn and guidance

代码是用来实现在视图中使用CWindowDC在整个窗口进行绘图的c的源码,相当不错，演示程序，很好用，罕见-Code is used in view the source code of c CWindowDC drawing in the entire window, is quite good, the demo program, easy to use, rare

用vc开发的针对电力系统的绘图程序,可以绘制各种电力电网图-Using vc development drawing program for electric power system, can map all kinds of power grid