ArcGIS Pro 2.8 API Reference Guide
ToGeometry() Method
Example 

ArcGIS.Core.Geometry Namespace > GeometryBagBuilder Class : ToGeometry() Method
Returns a GeometryBag instance representing the current state of the builder. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public override GeometryBag ToGeometry()
Public Overrides NotOverridable Function ToGeometry() As GeometryBag

Return Value

Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Example
// Builder constructors need to run on the MCT.
ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
  using (GeometryBagBuilder builder = new GeometryBagBuilder(SpatialReferences.WGS84))
  {
    GeometryBag emptyBag = builder.ToGeometry();
    // emptyBag.IsEmpty = true

    MapPoint point = MapPointBuilder.CreateMapPoint(1, 2, SpatialReferences.WebMercator);
    builder.AddGeometry(point);
    // builder.CountGeometries = 1

    GeometryBag geometryBag = builder.ToGeometry();
    // geometryBag.PartCount = 1
    // geometryBag.PointCount = 1
    // geometryBag.IsEmpty = false

    IReadOnlyList<Geometry> geometries = geometryBag.Geometries;
    // geometries.Count = 1
    // geometries[0] is MapPoint with a sr of WGS84

    bool isEqual = geometryBag.IsEqual(emptyBag);   // isEqual = false

    List<Coordinate2D> coords2D = new List<Coordinate2D>()
    {
    new Coordinate2D(0, 0),
    new Coordinate2D(0, 1),
    new Coordinate2D(1, 1),
    new Coordinate2D(1, 0)
    };

    Multipoint multipoint = MultipointBuilder.CreateMultipoint(coords2D, SpatialReferences.WGS84);
    builder.InsertGeometry(0, multipoint);
    geometryBag = builder.ToGeometry();
    // geometryBag.PartCount = 2

    geometries = geometryBag.Geometries;
    // geometries.Count = 2
    // geometries[0] is Multipoint
    // geometries[1] is MapPoint

    Polyline polyline = PolylineBuilder.CreatePolyline(coords2D, SpatialReferences.WebMercator);
    builder.AddGeometry(polyline);
    builder.RemoveGeometry(1);
    geometryBag = builder.ToGeometry();
    // geometryBag.PartCount = 2

    geometries = geometryBag.Geometries;
    // geometries.Count = 2
    // geometries[0] is Multipoint
    // geometries[1] is Polyline          
  }
});
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

GeometryBagBuilder Class
GeometryBagBuilder Members