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 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];
m_PointList.Add(point);
i++;
}
reader.Close();
closeDB();
}