Sets a user data pointer.
gluNurbsCallbackDataEXT is used to pass a pointer to the application's data to NURBS tessellator. A copy of this pointer will be passed by the tessellator in the NURBS callback functions (set by gluNurbsCallback).
Glu Class | Tao.OpenGl Namespace | Glu.gluNurbsCallbackDataEXT Overload List | gluNurbsCallback