You can use Class Outline to quickly set a breakpoint on a method for use in the integrated debugger.
To set a breakpoint
In Class Outline, right-click the method that you want to set a breakpoint on.
On the shortcut menu, click Insert Breakpoint. To verify that a breakpoint was set, double-click the method in Class Outline to go to the definition in the source file. Observe that a breakpoint glyph appears in the margin.
To clear the breakpoint, right-click the method and click Remove Breakpoint on the shortcut menu.