Hi Arturo,
The drawOn: method gets called several times a second, so you would end up with so many debuggers opening that you would loose control of your image.
Have a look in the Halos menu for an entry "debug drawing error".
For curiosity you might look at Morph>>fullDrawOn:
cheers -ben
Arturo Zambrano wrote:Hi,�I just installed Roassal in a 2.0 Pharo image�All the examples of Sunburst raise a MNU butin a red background window (screenshot attached). It seems that somethingprevents the debugger to open.
�Any hint about this? Maybe there is a missing dependency of Roassal sunburst
thanksart