Result Codes

All Navigation Services functions return result codes. The codes specific to Navigation Services are listed here. In addition, functions that communicate with other Mac OS managers, such as the File Manager or the Translation Manager, may return result codes from those managers.

`paramErr`	-50	Your application passed an invalid parameter for dialog box options.
`userCancelledErr`	-128	User cancelled the action.
`kNavInvalidSystemConfigErr`	-5696	One or more Navigation Services-required system components is missing or out of date.
`kNavCustomControlMessageFailedErr`	-5697	Navigation Services did not accept a control message sent by your application.
`kNavInvalidCustomControlMessageErr`	-5698	Your application sent an invalid custom control message.
`kNavMissingKindStringErr`	-5699	No kind strings were provided to describe your application's native file types. For more information, see Providing File Format Options.

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