Make the program compatible with NET 9
Hello, there is a thin client written in C# that performs two main functions:
- Receive a payment request from the application's backend and send it to the POS terminal, then report the result back to the backend.
- Receive a print request from the backend and send it to the printer.
Communication occurs via REST API and websocket.
The problem is - after updating Windows on users' computers, the program stopped launching, reporting incompatibility with NET 9.
This is an urgent task, and a working solution must be implemented by May 5th. Either rebuild it to be compatible with NET 9 or perhaps create an automatic installation of the latest compatible version of NET 5 when launching the current code version. If you see another option - that is also possible.
You can familiarize yourself with the client via AnyDesk
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