A project is compiled when you select the Make, Rebuild, Run, or Debug commands.
Click on an error message to go to the related line of code.
To select another error message, you can use View|Next Error Message (Alt+F8) or View|Previous Error Message (Alt+F7).
See also:
Context-sensitive help: The AppBrowser window
Context-sensitive help: View|Message View
User's Guide: About error messages
User's Guide: Error messages