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Changing frame inside of NSCollectionView

Subject: Changing frame inside of NSCollectionView
From: Tim Davis <email@hidden>
Date: Thu, 8 Nov 2007 17:52:50 -0500
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Hey all,

I'm using NSCollectionView in a pet project of mine and I'm using it to create a list of items. I've got the NSView drawing already complete but I'm having issues trying to resize it once it's in the Collection View. Pretty much what I'm doing is this...I'm trying to keep it minimalistic, if the user selects an item it expands showing some extra optional information that was previously hidden.

I've tried setting the frame with the following code...(which resides inside of the view I'm resizing)

... NSRect oldFrame = [self frame]; NSRect newFrame = NSMakeRect( oldFrame.origin.x, oldFrame.origin.y, NSWidth(oldFrame), NSHeight(oldFrame) -100); [self setFrame: newFrame];

[[self superview] setNeedsDisplay: YES];
[self setNeedsDisplay: YES];
...

I even added the [[self superview] setNeedsDisplay: YES] to try and get the superview to redisplay/recalculate position of objects. I've tried enlarging the height and shrinking it and it still displays as the same thing on screen.

Any ideas?

Thanks,
Tim
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