gluNurbsCallback  12OX6NF

[New - Windows 95, OEM Service Release 2]

The gluNurbsCallback function defines a callback for a NURBS object.

void gluNurbsCallback(

Parameters

nobj

The NURBS object (created with gluNewNurbsRenderer1Y9AJ3Z).

which

The callback being defined. The only valid value is GLU_ERROR. The meaning of GLU_ERROR means that the error function is called when an error is encountered. Its single argument is of type GLenum, and it indicates the specific error that occurred. There are 37 errors unique to NURBS, named GLU_NURBS_ERROR1 through GLU_NURBS_ERROR37. Character strings describing these errors can be retrieved with gluErrorString.

fn

The function that the callback calls.

Remarks

Use gluNurbsCallback to define a callback to be used by a NURBS object. If the specified callback is already defined, it is replaced. If fn is NULL, then any existing callback is erased.

See Also

gluErrorString5RLLPBZ, gluNewNurbsRenderer1Y9AJ3Z