基于MFC的OpenGL语言画线、画圆算法，可以实现8个区间。其中每种功能都提供了至少一种函数。-OpenGL language painted line MFC-based, circle algorithm can achieve 8 range. Each of which features at least one function.

在MFC中建立Opengl环境并绘制图形-The building up of the Opengl environment in MFC and draw graphics