Adding an Exception Breakpoint
- Steps
In the bottom-left corner of the breakpoints navigator, click the Add button.
Choose Add Exception Breakpoint.
Choose the type of exception from the Exception pop-up menu.
Choose the phase of the exception handling process at which you want program execution to stop.
Click Done.

Add an exception breakpoint to your project in the breakpoint navigator.
The Exception pop-up menu specifies the type of exceptions on which you want execution to stop:
All. Stops on all exceptions.
Objective-C. Stops on Objective-C exceptions.
C++. Stops on C++ exceptions.
To stop on a particular C++ exception, specify the exception name.
The screenshot shows the properties of an exception breakpoint.
© 2012 Apple Inc. All Rights Reserved. (Last updated: 2012-01-09)