Now, we need to handle the user interaction with the pop-up menu so that the Global Currency App updates the table view when the user selects a currency code from the menu.
In Xcode, click on the file named
BTSAppDelegate.h
in the project navigator and add the following interface method definition:// Handle the Pop Up Menu selection - (IBAction)selectToCurrency:(id)a_sender;
Click on the file named
BTSAppDelegate.m
in the project navigator and add the following method implementation stub:// This method will be invoked whenever a currency // code is selected from the Pop Up Menu - (IBAction)selectToCurrency:(id)a_sender { NSBeep(); }
Click on the file named
MainMenu.xib
in the project navigator.Right-click on the pop-up menu and drag to the App Delegate object and release the mouse button.
When the Received Actions item is displayed, select selectToCurrency:.
Select any currency...