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Custom NSView and NSUndoManager

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Custom NSView and NSUndoManager

Subject: Custom NSView and NSUndoManager
From: Benjamin Dunton <email@hidden>
Date: Wed, 9 Nov 2005 21:00:39 -0500

All,

I have a bunch of custom NSView objects that can have their size changed by the user. I have the following code to handle undo/redo:

	NSResponder *resp = [window firstResponder];
	NSUndoManager *undo = [resp undoManager];

	[[undo prepareWithInvocationTarget:objClicked]
		setFrame:[objClicked frame]];
	[objClicked setFrame:newRect];

However, the undo menu does not become enabled after the above code is executed. Looking in the debugger, I do see the undo stack get the information put on it; however I can not undo my changes. I have looked at the other NSUndoManager questions, but nothing has fixed my problem.

Thanks,

Ben
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