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Is there an easy way for me to set a limit on the amount of characters my NSTextField can have? I don’t want to have a counter then warn the user if it’s over the limit, I want to set the limit so if it’s past x characters that’s it, they can’t type anymore.
Check out NSFormatter. It can help you do what you’re looking for and a lot more. If you don’t need something that complicated, you might try the NSTextField delegate methods.