public Realtime() { try { var dbPath = Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments), DbName); //var dbPath = DbName; _conn = new SQLiteConnection(dbPath); _conn.EnsureTableExists<BusStop>(); ThreadPool.QueueUserWorkItem(o => GetHandShake()); } catch(Exception ex) { Debug.WriteLine(ex.ToString()); throw; } }