public static List<XObject> Load()
        {
            string key = @"Software\Sony Corporation\Sony MediaPlayerX\Database";
            string dbpath = "";

            RegistryKey registryKey;
            if (Environment.Is64BitOperatingSystem)
            {
                registryKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64).OpenSubKey(key);
            }
            else
            {
                registryKey = Registry.LocalMachine.OpenSubKey(key);
            }

            if (registryKey == null)
            {
                //旧式
                registryKey = Registry.LocalMachine.OpenSubKey(key);
            }
            dbpath = (string)registryKey.GetValue("MetallicData", "");
            registryKey.Close();

            if (String.IsNullOrEmpty(dbpath))
            {
                MessageBox.Show("X-APPLICATIONが正常にインストールされていません。");
                return null;
            }

            string accessConnection = String.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};", dbpath);
            string sql = "select * from t_object where ObjectSpecId=2;";

            DataSet ds = new DataSet();
            OleDbConnection connection = null;
            try
            {
                connection = new OleDbConnection(accessConnection);
            }
            catch (Exception)
            {
                try
                {
                    accessConnection = String.Format("Driver={Microsoft Access Driver (*.mdb)};DBQ={0};", dbpath);
                    connection = new OleDbConnection(accessConnection);
                }
                catch (Exception)
                {
                    MessageBox.Show("Microsoft Data Access ComponentsもしくはMicrosoft Access Driverがインストールされていません。");
                    return null;
                }
            }

            try
            {
                OleDbCommand command = new OleDbCommand(sql, connection);
                OleDbDataAdapter adapter = new OleDbDataAdapter(command);
                connection.Open();
                adapter.Fill(ds, "t_object");
            }
            catch (Exception)
            {
                MessageBox.Show("X-APPLICATIONの楽曲データベースへのアクセスに失敗しました。");
                return null;
            }
            finally
            {
                connection.Close();
            }

            List<XObject> xobjects = new List<XObject>();
            DataRowCollection collection = ds.Tables["t_object"].Rows;
            foreach (DataRow row in collection)
            {
                var xobj = new XObject(row[2].ToString(), row[69].ToString(), row[70].ToString(), row[74].ToString(), row[111].ToString());
                xobj.Object100 = row[3].ToString();
                xobjects.Add(xobj);
            }
            return xobjects;
        }
        public void Update(object _)
        {
            bool found = false;
            foreach (List<XObject> list in this._parallel)
            {
                var list1 = list;
                Task.Run(() =>
                    {
                        List<string> buf = list1.Select(obj => obj.Object500).ToList();

                        if (GetUsingFiles(buf.ToArray<string>()))
                        {
                            foreach (XObject o in list1)
                            {
                                if (GetUsingFiles(new[] { o.Object500 }))
                                {
                                    var o1 = o;
                                    DispatcherHelper.UIDispatcher.Invoke(() =>
                                    {
                                        found = true;
                                        if (this._currentObject == o1)
                                        {
                                            //曲が切り替わってから最低10秒経過した(曲の早送りでのツイートを拒否するため)
                                            if (_curCount >= 0 && _curCount++ >= 2)
                                            {
                                                //自動投稿
                                                if (Settings.Settings.AutoTweet)
                                                {
                                                    if (this.CanTweet())
                                                    {
                                                        this.Tweet();
                                                    }
                                                    if (this.CanWhisper())
                                                    {
                                                        this.Whisper();
                                                    }
                                                    _curCount = -1;
                                                }
                                            }
                                            return;
                                        }
                                        _curCount = 0;
                                        this.Title = "X-NowPlaying - " + o1.ObjectName;
                                        this.Music = o1.ObjectName;
                                        this.Album = o1.Object206;
                                        this.Artist = o1.Object201;
                                        if (!String.IsNullOrEmpty(o1.Object202))
                                        {
                                            this.JacketImage = new BitmapImage(new Uri(o1.Object202));
                                            this.JacketImageStr = o1.Object202;
                                        }
                                        else
                                        {
                                            this.JacketImage = new BitmapImage(new Uri("/Resources/insert2.png", UriKind.Relative));
                                            this.JacketImageStr = "";
                                        }
                                        this._currentObject = o1;
                                    });
                                }
                            }
                        }
                    });
                if (found)
                {
                    break;
                }
            }
        }