Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!bbn!oberon!pollux.usc.edu!papa
From: papa@pollux.usc.edu (Marco Papa)
Newsgroups: comp.sys.amiga.tech
Subject: Re: YARB - Yet another refresh bug ?
Message-ID: <15696@oberon.USC.EDU>
Date: 7 Mar 89 02:47:08 GMT
References: <890305224442.20c00bb5@elcc.epfl.ch> <92676@sun.uucp>
Sender: news@oberon.USC.EDU
Reply-To: papa@pollux.usc.edu (Marco Papa)
Organization: Felsina Software, Los Angeles, CA
Lines: 22

In article <92676@sun.uucp> cmcmanis@sun.UUCP (Chuck McManis) writes:
|In article <890305224442.20c00bb5@elcc.epfl.ch| (David Gay) writes:
|| Another problem with BeginRefresh/EndRefresh (I thrive on them :-)):
|| There seems to be a problem with calling SetWindowTitles during a refresh.
|
|I may have missed something here, but in general it is _illegal_ to call
|an Intuition Window function whilst between a BeginRefresh() and an
|EndRefresh(). All you can do is call graphics kinds of things that 
|draw in your window. If you want to refresh the border (and title) 
|you can do so _after_ the refresh by calling RedrawWindowFrame().

Chuck is quite right.  This is a direct quote from the 1.2 Enhancer Manual:

"When using Begin/EndRefresh(), restrict your operations to simple rendering.
Avoid calls that may lock the LayerInfo, or get complicated in Intuition, 
since BeginRefresh() leaves the window's layers(s) locked.".

-- Marco Papa 'Doc'
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