Sets a user data pointer.
gluNurbsCallbackData 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).
NOTES
gluNurbsCallbackData is available only if the GLU version is 1.3 or greater.
Glu Class | Tao.OpenGl Namespace | Glu.gluNurbsCallbackData Overload List | gluNewNurbsRenderer | gluNurbsCallback