Sql server monitor service with notifyicon

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C#

SQL-Server

Windows-service

I am building a windows service that will check a SQL table for any changes and if it has will export those changes and empty the table. it will do this every 15 min or so.

I am not sure how I structure it yet but I am thinking
a timer to run the query and another class to connect to the server if it has a problem running the query
To go along with this, I am also building a Winform which will be present in the windows tray icon and sort of give easy access to configuration and what not. However, I want it to display a different icon when the service is running and when it isn't (almost real-time and show notification) and show a notification when it runs into any sort of error while logging all this.

What I have tried:

I am working on the triggers but I think this is a much better way to monitor and record changes.