'宣言 Public ReadOnly Property Polygons As System.Collections.Generic.List(Of PolygonCoordinates)
public System.Collections.Generic.List<PolygonCoordinates> Polygons {get;}
'宣言 Public ReadOnly Property Polygons As System.Collections.Generic.List(Of PolygonCoordinates)
public System.Collections.Generic.List<PolygonCoordinates> Polygons {get;}