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

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

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.

[Jul 11 1997]

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