Inside Macintosh: QuickTime Components /

Chapter 6 - Sequence Grabber Channel Components / Sequence Grabber Channel Components Reference

Functions / Configuration Functions for All Channel Components

SGSetChannelRefCon

The SGSetChannelRefCon function allows the sequence grabber component to set the value of a reference constant that your component passes to its callback functions.

pascal ComponentResult SGSetChannelRefCon (SGChannel c, 
                                           long refCon);

c

Identifies the channel connection for this operation.

refCon

Specifies a reference constant value that your component should pass to the callback functions that have been assigned to this channel.

DESCRIPTION

Sound channels do not support callback functions.

SEE ALSO

See "Using Callback Functions for Video Channel Components," which begins on page 6-34, for a description of the callback functions that are supported by video channel components.