NSAlert - can you have a custom icon?

Is the开发者_运维技巧re a way to insert a custom icon in a NSAlert? I know you can have different prefabbealert styles but is it possible to cu

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Yes. You can use

- (void)setIcon:(NSImage *)icon

Look at the documentation.

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Swift:

let alert = NSAlert()
alert.messageText = "My message"
alert.addButton(withTitle: "OK")
alert.alertStyle = .informational
alert.icon = img
alert.runModal()