Imported from: http://groups.google.com/group/in-portal-dev/browse_thread/thread/5f3c815623f2b42b#
In-Portal uses events to transfer information between different system components and implement loose coupling approach in development.
When user/developer tries to call event, that doesn't exist he sees fatal error.
However I recently was in a need to detect if event exists without actually calling it. And I've created kApplication::eventImplemented method (see attached patch) to do the job.
event_implementation_detection.patch
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