gluQuadricCallback function

The gluQuadricCallback function defines a callback for a quadric object.

Syntax

void WINAPI gluQuadricCallback(
   GLUquadric *qobj,
   GLenum     which,
   void (CALLBACK *fn)()
);

Parameters

qobj

The quadric object (created with gluNewQuadric).

which

The callback being defined. The only valid value is GLU_ERROR.

Value	Meaning
GLU_ERROR	The gluQuadricCallback function is called when an error is encountered. Its single argument is of type GLenum, and it indicates the specific error that occurred. Character strings describing these errors can be retrieved with the gluErrorString call.

fn

The function to be called.

Return value

This function does not return a value.

Remarks

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

Requirements

See also

gluErrorString

gluNewQuadric