Inside Macintosh: QuickTime Components /

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

Functions / Configuring Sequence Grabber Channel Components

SGSetGWorld

A sequence grabber component calls the SGSetGWorld function to establish the display environment for your channel component.

pascal ComponentResult SGSetGWorld (SeqGrabComponent s, 
                                       CGrafPtr gp, GDHandle gd);

s

Identifies the sequence grabber component that has connected to your channel component.

gp

Specifies the destination graphics port. The sequence grabber component always sets this parameter to a valid value. The specified graphics port must be a color graphics port. The parameter is set to nil to use the current graphics port.

gd

Specifies the destination graphics device. The sequence grabber component always sets this parameter to a valid value.

DESCRIPTION

Note that sequence grabber components may call this function for sound channel components as well as for video channel components.

RESULT CODE

cantDoThatInCurrentMode

-9402

Request invalid in current mode

Main | Top of Section | What's New | Apple Computer, Inc. | Find It | Feedback | Help