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PATH Documentation > Mac OS 8 and 9 > Operating System Services > Vertical Retrace Manager


Control Manager

The Vertical Retrace Manager schedules and executes tasks during vertical retrace interrupts. You can use the Vertical Retrace Manager to execute simple, repetitive tasks and avoid having to execute those tasks repeatedly in your application's main event loop.

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Inside Macintosh: Processes
(Chapter 4 - Vertical Retrace Manager)
This document describes the parts of the Macintosh system software that allow you to manage processes and tasks. Chapter 4 describes how to use the Vertical Retrace Manager and includes an overview, a tutorial, and a complete API reference.
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