Function SCPreferencesGetValue

pub unsafe extern "C-unwind" fn SCPreferencesGetValue(
    prefs: &SCPreferences,
    key: &CFString,
) -> Option<CFRetained<CFPropertyList>>

Available on crate feature SCPreferences only.

Returns the data associated with a preference key.

This function retrieves data associated with the specified key.

Note: To avoid inadvertantly reading stale data, first call the SCPreferencesLock function.

Parameter prefs: The preferences session.

Parameter key: The preference key to be returned.

Returns: Returns the value associated with the specified preference key; NULL if no value was located.