Mac OS For QuickTime Programmers

Managing Component Connections

SetComponentInstanceStorage lets a component pass the Component Manager a handle to the memory that was allocated for the connection to it.
GetComponentInstanceStorage lets your component retrieve a handle to the memory associated with a connection.
CountComponentInstances lets you determine the number of open connections being managed by a specified component.
SetComponentInstanceA5 procedure lets your component set the Macintosh A5 register world for a connection.
GetComponentInstanceA5 retrieves the value of the A5 register for a specified connection.