public static MapExtent?FromPoints(List <MapPoint> points)
{
if (points == null || points.Count == 0)
{
return(null);
}
MapExtent me = FromPoint(points[0]);
for (int i = 1; i < points.Count; i++)
{
me.Combine(points[i]);
}
return(me);
}
public override MapExtent QueryExtent(string tableName)
{
List <Datarow> rows = Query(tableName, MapExtent.Max);
if (rows.Count > 0)
{
MapExtent extent = rows[0].Extent;
for (int i = 1; i < rows.Count; i++)
{
extent.Combine(rows[i].Extent);
}
return(extent);
}
return(MapExtent.None);
}