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Checks if a preference value is defined.
Component | Version | macOS | Windows | Linux | Server | iOS SDK |
Preferences | 6.0 | ✅ Yes | ✅ Yes | ❌ No | ✅ Yes, on macOS and Windows | ✅ Yes |
Parameter | Description | Example |
---|---|---|
Domain | The domain name for your preferences. Leave empty for default one. | "de.mbsplugins.MyApp" |
Key | The key for the value lookup. | "Username" |
Returns 0, 1 or error.
This function checks for a license.
Created 4th January 2016, last changed 4th July 2019