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Delegate methods for NSImageView (?)

Subject: Delegate methods for NSImageView (?)
From: email@hidden
Date: Fri, 6 Dec 2002 16:08:11 -0800

I need to popup a warning message to user's when certain types of images are dropped into an NSImageView (via drag & drop)... or, possibly, just prevent the drop at all if the image type is not one I intend to support. I was at first expecting there would be a simple delegate method or NSNotification for the drop event which would provide my controller a chance to manage this. However, looking at the documentation, I see no such methods/notifications. I'm sure I'm missing something obvious... what's the best way to handle this?

Thanks much,
- Eric
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