HELP?: "Smart" scrolling in BC++ ObjectWindows

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1 total messages Started by Ralph Kuntz Sun, 26 Jul 1992 18:47

#71

Author: Ralph Kuntz
Date: Sun, 26 Jul 1992 18:47

22 lines
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Hi-

I am developing a Windows application using BC++ 3.1 and
ObjectWindows.  I am having some trouble "optimizing" re-painting the
window with TScroller.

I have AutoOrg == TRUE, AutoMode = FALSE, AutoTrack = TRUE.  In my
TMyWindow::Paint routine, I can't figure out the "coordinates" of the
rectangle that needs to be repainted.  My window paints a bitmap with
Bitblt(hDC, a, b, c, d, memDC, e, f, SRCCOPY).  What should go into
the arguments a, b, c, d, e, and f?  I know it is a function of
paintInfo.rcPaint.left, ..., and the origin of the client area
viewport.

Any help or pointer to an example file that does this?

			Thanks, Ralph
-- 
G. Ralph Kuntz
Medical student, UMDNJ - Robert Wood Johnson Medical School, Class of 1994
kuntz@umdnj.edu			(H) 908-463-7170
[Computer scientist for Bell Labs in a former life (before Med. School)].

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