Calling ImmersiveSettingsCache from C#

ImmersiveSettingsCache.cs

    static void Main(string[] args)
    {
        var cache = (IImmersiveSettingsCache)new ImmersiveSettingsCache();
        var hr = cache.OnSettingChanged(0);
    }

    [ComImport, Guid("a919ea73-490e-4d5c-9ba7-97cbc73119fe")] // CLSID_ImmersiveSettingsCache
    public class ImmersiveSettingsCache
    {
        // don't put anything in there
    }

    [ComImport, Guid("4214f6fa-eb36-4e2f-9ca2-23fdc1832df7"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IImmersiveSettingsCache
    {
        [PreserveSig]
        int OnSettingChanged(int id);
        // etc.
    }