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Redrawing table cells

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Redrawing table cells

Subject: Redrawing table cells
From: Thomas Davie <email@hidden>
Date: Mon, 17 Jan 2005 10:53:13 +0000

Hi, I've hit a slight problem with NSOutlineView. I am attempting to draw images associated with each row of the view, and have implemented this successfully. In order to try keep the UI responsive though, I have now separated the loading of the images into a different thread. This causes a slight problem in that I must re-draw the outline view when the thread stops running, so I post a notification to re-draw.

Unfortunately, because none of the data in the view has changed, reloadData and setNeedsDisplay:YES, both have no effect - the icons remain undrawn. Is there any way to force NSOutlineView to call willDrawCell on each of it's rows again?

Thanks

Tom Davie

-- Computer Science is as much about computers as astronomy is about telescopes -- Edsgar Dijkstra

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