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Inside Macintosh: More Macintosh Toolbox /
Chapter 6 - Component Manager / Component Manager Reference
Routines for Applications / Retrieving Component Errors


GetComponentInstanceError

The GetComponentInstanceError function returns the last error generated by a specific connection to a component.

FUNCTION GetComponentInstanceError 
                  (aComponentInstance: ComponentInstance): OSErr;
aComponentInstance
A component instance that specifies the connection from which you want error information. Your application obtains the component instance from the OpenDefaultComponent or OpenComponent function.
DESCRIPTION
Once you have retrieved an error code, the Component Manager clears the error code for the connection. If you want to retain that error value, you should save it in your application's local storage.

RESULT CODES
noErr0No error
invalidComponentID-3000No component with this component identifier

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