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How to detect NSTextAttachment deletion

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How to detect NSTextAttachment deletion

Subject: How to detect NSTextAttachment deletion
From: chaitanya pandit <email@hidden>
Date: Mon, 14 Jul 2008 12:37:11 -0400

Hi, I am using a NSTextView and i programatically insert images as NSTextAttachments in the textView. These attachments are shown in an NSTextAttachmentCell by the NSTextView. I want to do some background processing just before the user deletes the image from the textView. This can happen if the user simply hits the delete key or replaces the image with some string. How can i detect if an NSTextAttachment or it's NSTextAttachmentCell is about to be removed from the textView? Any help would be appreciated. thanks _______________________________________________

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