The generation of the entity graphics program package contains the OpenGL subroutine into a non-MFC DLL, to construct three-dimensional entity graphics library with cross-application, cross-platform versatility. 将实体图形的生成程序封装成包含OpenGL子函数的非MFCDLL,使构造的三维实体图形库具有跨应用程序、跨平台的通用性。