VLC_WINRT.ViewModels.MainPage.MusicLibraryViewModel.IsMusicLibraryChanged C# (CSharp) Method

        async Task<bool> IsMusicLibraryChanged()
        {
            var doesDbExists = await DoesFileExistHelper.DoesFileExistAsync("vlc.sqlite");
            if (doesDbExists)
            {
                if (App.LocalSettings.ContainsKey("nbOfFiles"))
                {
                    if ((int)App.LocalSettings["nbOfFiles"] == NbOfFiles)
                    {
                        return false;
                    }
                    App.LocalSettings.Remove("nbOfFiles");
                }
                App.LocalSettings.Add("nbOfFiles", NbOfFiles);
            }
            return true;
        }