Tell NSDocument that the document has been modified

StackOverflow https://stackoverflow.com/questions/19886302

  •  30-07-2022
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Frage

I'm writing a Document-Based App in OSX. I found when I change the contents of the doc, the app doesn't know the document has been changed. I can close the doc without warning, which causes my unsaved content to be lost.

How can I tell NSDocument that the document has been modified?

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Lösung

Use the updateChangeCount: method with NSChangeDone as argument.

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