# ESRI_PointList class

Namespace: [Grasshopper2.FileTypes.ESRI](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.filetypes.esri.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public class ESRI_PointList : List<ESRI_Point>
```

Represents a mutable collection of point/measurement comcos used in ESRI shape files.

## Constructors

- [ESRI_PointList](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/ctor.md): (2 overloads) Create a new point list with default capacity.

## Properties

- [BoundingBox](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/boundingbox.md): Gets the bounding box of this point list.
- [HasElevation](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/haselevation.md): Gets whether this point list has elevation data.
- [HasMeasurement](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/hasmeasurement.md): Gets whether this point list has measurement data.
- [IsClosed](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/isclosed.md): Gets whether this point list is considered closed.

## Methods

- [Close](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/close.md): Attempt to close the point list.
- [SetElevation](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/setelevation.md): Assign an elevation to a specific point.
- [SetMeasurement](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/setmeasurement.md): Assign a measurement to a specific point.
- [ToPolyline](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/topolyline.md): Gets a polyline description of this point list.
- [ToSegments](https://developer.rhino3d.com/api/gh2/type/grasshopper2.filetypes.esri.esri-pointlist/tosegments.md): Break this list into several segments.