Programming Guide > Programming Guide > Working with Classes > Overview of the OpenROAD System Classes > Event Information
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Event Information
The following system classes contain information about events received by the frame:
DBEventObject
Contains information about a database event
Event
Contains message parameter values that are passed to the frame by a SendUserEvent call to complete a WaitFor call
For more information about using events and database events, see Inter-Frame Communication Techniques.
Last modified date: 12/20/2023