Use the View choice on the Breakpoints List window's popup menu to raise the focus of the Source window containing a line, address, or function breakpoint:
You can also raise the focus of the Source window by double-clicking on the breakpoint with mouse button 1.
The line containing the breakpoint is displayed in a Source window, with its prefix area selected. If you want to alter the breakpoint, position the pointer on that line, click mouse button 2 [note], and select an item from the popup menu.