public int CompareTo(object obj) { GisPoint p = obj as GisPoint; if (p != null) { double pb = this.TEMP - p.TEMP; return((int)(pb)); } return(0); }
/// <summary> /// 从数据库中读取温度点数据至m_PointList中 /// </summary> public static void readData() { int i = 0; string sql = "select * from point"; SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection); SQLiteDataReader reader = command.ExecuteReader(); while (reader.Read()) { GisPoint point = new GisPoint(); point.ID = (long)reader[0]; point.X = (double)reader[1]; point.Y = (double)reader[2]; point.TEMP = (double)reader[3]; Constants.m_PointList.Add(point); i++; } reader.Close(); }