Inside Macintosh: Interapplication Communication /

Chapter 10 - Scripting Components / Scripting Components Reference

Required Scripting Component Routines / Manipulating the Active Function

OSAGetActiveProc

You can use the OSAGetActiveProc function to get a pointer to the active function that a scripting component is currently using.

FUNCTION OSAGetActiveProc(scriptingComponent: ComponentInstance;
                          VAR activeProc: OSAActiveProcPtr;
                          VAR refCon: LongInt): OSAError;

scriptingComponent

A component instance created by a prior call to the Component Manager function OpenDefaultComponent or OpenComponent (see page 10-4).

activeProc

The OSAGetActiveProc function returns in this parameter a pointer to the active function currently set for the specified scripting component.

refCon

The OSAGetActiveProc function returns in this parameter the reference constant associated with the active function for the specified scripting component.

RESULT CODES

noErr	0	No error
errOSASystemError	-1750	General scripting system error
badComponentInstance	$80008001	Invalid component instance