Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!nstn.ns.ca!news.cs.indiana.edu!spool.mu.edu!think.com!eplunix!mrn From: mrn@eplunix.UUCP (Mark R. Nilsen) Newsgroups: comp.sys.mac.programmer Subject: Re: (R)Drawing to windows Message-ID: <1035@eplunix.UUCP> Date: 22 Feb 91 19:34:28 GMT References: <3583.27C35477@blkcat.fidonet.org> Organization: Eaton-Peabody Lab, Boston, MA Lines: 16 Mark Nilsen rights. > Thus: > setPort(&myNewPort); > [ draw away ] > > on update events > copyBits(&myNewPort->PortBits,&myWindow->PortBits,&someRect,&someRect, > srcCopy, nil); ^^^ Replace nil with the RgnHandle of the update region of the window you are updating. > That method should work as a starter. It has more overhead though. ^^^^^^^^ That way you get rid of a lot of uneeded overhead.