Quoting Casper Boemann <cbr at boemann.dk>: > The pixelmanager API could provide a one-step-back history view. Internally > that _could_ tab into the undo buffer, but not api wise. Would that satisfy > your needs Bart? As long as it provides a PaintDevice that can be used as a source for things like filters and bitBlt it would be enough. Bart Coppens