Hello Maciek,
I guess the best option you have is to open another ADO connection in parallel to the connections OpenAccess uses and add your event notifications there. Because this is a Postgres specific feature we have no built-in support for this yet. This would catch all modifications in the database, including those made by other tools to the same data.
If you just need the modifications made by the local OpenAccess application, you should have a look into the IInstanceCallback interface and the IContextEvents interface.
Regards,
Thomas
the Telerik team
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