Inside Macintosh: 3D Graphics Programming With QuickDraw 3D /

Chapter 10 - Group Objects / Group Objects Reference

Group Objects Routines / Managing Groups

Q3Group_CountObjects

You can use the Q3Group_CountObjects function to determine how many objects a group contains.

TQ3Status Q3Group_CountObjects (
TQ3GroupObject group, 
unsigned long *nObjects);

group

A group.

nObjects

On exit, a pointer to the number of objects in the specified group.

DESCRIPTION

The Q3Group_CountObjects function returns, in the nObjects parameter, the number of objects contained in the group specified by the group parameter. If that group contains other groups, each contained group is counted only once.

ERRORS

kQ3ErrorInvalidObject
kQ3ErrorNULLParameter