EWDraw 3D is a powerful vector graphics ActiveX for 3D and 2D visualisation and animation. You can use it for CAD,CAM,GIS and others. The EWDraw is based on Open CASCADE geometric kernel and openGL. The component is realized as a run-time Windows 3

OpenGL绘制基本二维图形，在visual c++环境下运行即可。修改相应函数实现不同功能。-OpenGL draw up the basic two-dimensional graphics in visual c++ environment to run can be. Modify the corresponding function to achieve different functions.