Before you can start the TN3270 mainframe display specified in the IDE options, ensure that your project is associated with
an enterprise server and that the server is running.
You can open the mainframe display when you start debugging the application or during debugging as follows:
- If your project is the startup project - click
Debug > Start Debugging.
- If the project is not the startup project - right-click your project in Solution Explorer, and click
Debug > Start new instance.
Note: If you use
Rumba+ Desktop, you receive a notification that it creates a read-only temporary profile that does not save any changes when you open or
close the emulator.