Legacy Document

Important: This document is part of the Legacy section of the ADC Reference Library. This information should not be used for new development.

Current information on this Reference Library topic can be found here:

NOTE: This Technical Q&A has been retired. Please see the Technical Q&As page for current documentation.

Technical Q&A QD3D78

QD3D Functions Not Interrupt Safe

Q: Is it safe to call QuickDraw 3D functions from inside a vbl task?

A: No. The QD3D functions may allocate and dispose memory. Avoid calling any QD3D routines at interrupt time, such as from a vbl task.

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