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Re: backing store [message #44558 is a reply to message #9913]

Tue, 28 June 2005 07:15

K. Bowman
Messages: 330
Registered: May 2000

Senior Member

In article <1119954111.811784.322640@f14g2000cwb.googlegroups.com>,
"KK T" <mailbox_cw-tech@yahoo.com.sg> wrote:

> Good day,
>
> Does anyone know what is a backing store ?
> I had encountered a couple of prompt where I load a huge array (20000
> by 20000) of data to draw_widget and using TV command
>
> "unable to allocate memory for backing store. Window closing"
>
> Is there any way for to increase the size of backing store?
>
> Kok Kiang

Backing store is where the graphics device stores copies of windows (bitmaps).
Backing store makes it possible to cover and uncover windows quickly.

You are requesting about 400 MB of backing store.

You should start by looking at the RETAIN keyword to the DEVICE procedure or
look up backing store in the documentation index.

Ken Bowman

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[Message index]

		Backing store By: thompson on Thu, 11 September 1997 00:00
		Re: backing store By: davidf on Wed, 04 March 1998 00:00
		Re: backing store By: Rick Towler on Tue, 28 June 2005 08:27
		Re: backing store By: KK T on Wed, 29 June 2005 01:45
		Re: backing store By: K. Bowman on Tue, 28 June 2005 07:15
		Re: backing store By: Rick Towler on Wed, 29 June 2005 08:50

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