ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Geometry Namespace / GeometryBagBuilderEx Class / InsertGeometries Method
0 based index. Specify 0 to insert at the beginning. Specify GeometryCount or -1 to insert at the end.
The geometry to insert.
Example Version

InsertGeometries Method
Inserts the given list of geometries before the specified index.
Syntax
public void InsertGeometries( 
   int index,
   IEnumerable<Geometry> geometries
)

Parameters

index
0 based index. Specify 0 to insert at the beginning. Specify GeometryCount or -1 to insert at the end.
geometries
The geometry to insert.
Exceptions
ExceptionDescription
geometries is null.
A geometry in geometries is null. You cannot insert a null geometry into GeometryBag.
A geometry in geometries is GeometryBag. You cannot insert a GeometryBag into another GeometryBag.
Index must be equal to -1 or less than or equal to the number of geometries in the builder.
Remarks
Specifying -1 for the index is equivalent to AddGeometries.

An Envelope that is inserted into the builder is converted to a Polygon when the GeometryBag is created. As a result, when retrieving an Envelope from a GeometryBag, it will be a Polygon.

Example
Construct GeometryBag - adding or inserting an enumeration of geometries
MapPoint point = MapPointBuilderEx.CreateMapPoint(10, 20);
List<Coordinate2D> coords = new List<Coordinate2D>() { new Coordinate2D(50, 60), new Coordinate2D(-120, -70), new Coordinate2D(40, 60) };
Multipoint multipoint = MultipointBuilderEx.CreateMultipoint(coords, SpatialReferences.WebMercator);
Polyline polyline = PolylineBuilderEx.CreatePolyline(coords);

string json = "{\"rings\":[[[0,0],[0,1],[1,1],[1,0],[0,0]],[[3,0],[3,1],[4,1],[4,0],[3,0]]]}";
Polygon polygon = PolygonBuilderEx.FromJson(json);

var geometries = new List<Geometry>() { point, multipoint, polyline, polygon };

//At 2.x - using (var builder = new GeometryBagBuilder(SpatialReferences.WGS84))
var builder = new GeometryBagBuilderEx(SpatialReferences.WGS84);
builder.AddGeometries(geometries);

GeometryBag geomBag = builder.ToGeometry();
// geomBag.PartCount == 4    (point, multipoint, polyline, polygon)

geometries = new List<Geometry>() { point, polyline };
builder.InsertGeometries(1, geometries);
// builder.GeometryCount == 6
geomBag = builder.ToGeometry();
// geomBag.PartCount == 6    (point, point, polyline, multipoint, polyline, polygon)
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also