Background color display issue

[bcrier]

My apologies if this questions has already been answered.  Searched for it and could not find anything.

Basic question:  Why can I not see the background color of objects and Boundaries in my diagram?

I don't think it can be a bug (it is so basic) so I am definitely not doing something right.

Thanks,
Bobby

[KP]

For Boundary elements, double-click to bring up the properties dialog and select Border Style of "Solid". For the rest, I don't know. Which objects, specifically?