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Article #2261

Query about Scroll Views

#2261
From: Scott R Violet
Date: Fri, 22 Jan 1993 23:30
19 lines
1455 bytes
HI all,
	I am a little confused about the nature of the scroll view.
The confusion of course comes from ignorance about the behavior of the
scroll view.  Anyway, I am wondering just how a scroll view works.
For example, in digital librarian you type in a search and get a bunch
of icons below with the results.  Usually the list is more then a
screen full, so you have to use the scroller.  What I am wondering is
if DL actually has to recalculate and redraw the scroll view each time
it is scrolled.  Or, is there some tricky way to do it so that the
scroll view actually does the recalculated and what not.  I guess what
it comes down to is, if I want scrollable graphics, do I need to
overwrite the drawself with some code to calculate what should be
redrawn in the doc view of the scroll view?  I hope that I haven't
been to general in my question, but any input would be great.
Thanks in advance,
-- 

		-Scott Violet (xepo@csd4.csd.uwm.edu)
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From: xepo@csd4.csd.uwm.edu (Scott R Violet)
Newsgroups: comp.sys.next.programmer
Subject: Query about Scroll Views
Date: 22 Jan 1993 23:30:13 GMT
Organization: Computing Services Division, University of Wisconsin - Milwaukee
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