Inside Macintosh: QuickTime

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Callback Event Functions

The CallMeWhen function (described on CallMeWhen ) schedules a callback event. You specify the callback event in the callBackProc parameter.

MyCallBack

Your callback function must support the following interface:

pascal void MyCallBackProc (QTCallBack cb, long refcon);
cb
Specifies the callback event for the operation.
refcon
Contains a reference constant value for your callback function.

© 1997 Apple Computer, Inc.

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