The pad is progressively updated using the same method as before - Application.DoEvents() is called periodically so that repaint events are invoked. I still need to put is checks so that press of Stepping command terminates the update.
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2792 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61