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Home/ Questions/Q 981509
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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T04:33:11+00:00 2026-05-16T04:33:11+00:00

I have a document-based application but I am not using undo. How do I

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I have a document-based application but I am not using undo. How do I change the status of my window to be ‘dirty’ and certain times?

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  1. Editorial Team
    Editorial Team
    2026-05-16T04:33:12+00:00Added an answer on May 16, 2026 at 4:33 am

    NSDocument has an -updateChangeCount: method. The constants you can pass are described in Apple’s documentation.

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