Inside Macintosh: Programming With JManager /

Chapter 2 - JManager Reference / Application-Defined Functions

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MyCheckUpdate

Checks to see if a frame update is necessary. This is how you would define your update check function if you were to name it MyCheckUpdate:

void MyCheckUpdate  (JMFrameRef frame);

frame

The frame to be checked.

DISCUSSION

When creating a frame you must designate a callback function to check if a frame update is needed. This function may be called to enable updates for interactions such as live scrolling or other mouse-tracking maneuvers. If the function determines that an update is necessary, it should call the JMFrameUpdate function to perform the update.

SEE ALSO

The JMFrameUpdate function.