Amazon.MobileAnalytics.MobileAnalyticsManager.Internal.SQLiteEventStore.NumberOfEvents C# (CSharp) Méthode

        public long NumberOfEvents(string appID)
        {
            long count = 0;
			
            string sqlCommand = string.Format(CultureInfo.InvariantCulture, "SELECT COUNT(*) C FROM {0} where {1} = @appID", TABLE_NAME, MA_APP_ID_COLUMN_NAME);
            using (var connection = new SQLiteConnection("Data Source=" + this.DBfileFullPath + ";Version=3;"))
            {
                try
                {
                    connection.Open();
                    using (var command = new SQLiteCommand(sqlCommand, connection))
                    {
                        command.Parameters.Add(new SQLiteParameter("@appID", appID));
                        using (var reader = command.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                count = (long)reader["C"];
                            }
                        }
                    }
                }
                finally
                {
                    if (null != connection)
                        connection.Close();
                }
            }
            return count;
        }