[R] Redrawing !

[Marc R. Feldesman]

It's there on Windows NT as well:

Control Panel|Display|Plus

"show window contents while dragging"  (checkbox if you want this to be 
True; uncheck if you don't want the behavior).



At 06:43 PM 1/14/01 +0000, Duncan Murdoch wrote:
 >On Sun, 14 Jan 2001 10:12:33 -0500, you wrote:
 >> With most Windows
 >>applications I use I observe that resizing a window (in Windoze parlance)
 >>with the mouse kind of blanks the interior of window until we're finish and
 >>then it is redrawn. With R's default device it is as if every WM_MOUSEMOVE
 >>event trigger's a complete redraw of the window which make the feeling quite
 >>different. If changing this behavior in future release is to complicated
 >>then lets just forget it as I and most certainly any other Windows user can
 >>live with that even more so if using a more recent graphic card make the
 >>behavior disappear.
 >
 >One of the configuration options in Windows is whether or not to
 >attempt to redraw the complete window during move & resize operations.
 >I'm not sure how to set that in NT; in Win 9x/ME, it's in the Control
 >Panel under Display|Effects, "show window's contents while dragging".
 >I would guess that you have that option enabled, and that other
 >applications abort the redraw when they receive another message about
 >a move. (I'm guessing that because when I have the option enabled I
 >see what you're describing; I normally operate with it disabled, so I
 >only see the frame moving when I move or resize the window.)
 >
 >A future multi-threaded version of R could probably act like other
 >applications, but it would mean low-level changes in the current
 >version.  An easier workaround is just to disable that option in
 >Windows.
 >
 >Duncan Murdoch
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Dr. Marc R. Feldesman
email:  feldesmanm at pdx.edu
email:  feldesman at attglobal.net
fax:    503-725-3905

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