by Martin Taillefer Maintaining the graphical contents of an Amiga window can be difficult. There are many subtleties associated with the process known as window refreshing. At present, many applications refresh their windows in suboptimal ways, or fail to refresh correctly under all conditions. This article attempts to explore and resolve the window refreshing problems commonly encountered by applications. Damaging Information Using Multiple RastPorts When To Refresh Refreshing a Sizable Window Scrolling Your Life Away BeginRefresh() and EndRefresh() Faster Rendering Backfill Hook Optimrefresh.c