AutoLISP
Developer's Guide > Using the Visual
LISP Environment > Debugging
Programs > Using the Visual
LISP Debugging Features > Using
Breakpoints >
Changing Breakpoint Highlight Colors
VLISP marks
each breakpoint position with a colored rectangle, so you can
easily locate the breakpoints in your program. By default, active
breakpoints are marked in red. You can change this color by setting
the :BPT-ACTIVE option in Tools
Window Attributes Configure Current. See
Configure Current for more information on
changing colors in VLISP windows.