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

Chapter 10 - Group Objects / Group Objects Reference

Group Objects Routines / Managing Display Groups

Q3DisplayGroup_GetState

You can use the Q3DisplayGroup_GetState function to get the current state of a display group.

TQ3Status Q3DisplayGroup_GetState (
TQ3GroupObject group, 
TQ3DisplayGroupState *state);

group

A display group.

state

On exit, a pointer to the current state value for the specified display group.

DESCRIPTION

The Q3DisplayGroup_GetState function returns, in the state parameter, a pointer to a state value for the display group specified by the group parameter. The state value is a set of flags that determine how a display group is traversed during rendering or picking, or during computation of a bounding box or sphere. See "Group State Flags" on page 10-12 for a description of the flags currently defined for a group state value.

ERRORS

kQ3ErrorInvalidObject
kQ3ErrorNULLParameter