Ugly window grow when dragging size box.
Submitted by Ken Whitmore
The scrollbars get redrawn several times without redrawing newly exposed content areas, leaving a trail of multiple images of the scrollbars (see attached screenshot) in the content area until the mouse button is released and the content area is finally updated.
With today's computer hardware speeds, there's no real excuse for ugly graphics processing and incomplete screen updates. Dia is a good application, and just needs a little bit more care for the user interface (better screen updating, cleaner looking anti-aliased object icons in the lower list) to make it top class. The grainy looking object borders harken back to the 1980's with the early MacDraw. Let's move on to the 21st century, folks.