On Sep 21, 2011, at 11:28 AM, Nick wrote:

> do you know how did Apple developers make TextEdit display a custom sheet for 
> notifying that the document that's being closed needs to be saved? It doesn't 
> look like an ordinary default NSDocument's "Do you want to save the changes 
> you made in the document. Your changes will be lost if you don’t save them." 
> sheet.

Does TextEdit use NSDocument? It didn’t use to. But maybe it does in Lion to 
get all the fancy new save features.
In any case, you can look at the source code yourself; it’s one of the sample 
apps.

—Jens_______________________________________________

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