vb与cad接口程序应用论文全，实现VB与CAD无缝连接-vb application papers with the cad interface program-wide to achieve seamless connectivity VB and CAD

OpenGL绘制 五角星 本程序段是在VC环境下通过OpenGL程序实现对五角星的绘制-OpenGL rendering Wu Jiaoxing paragraph of this procedure is adopted in the VC environment program realization of the five-pointed star OpenGL rendering