ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Geometry Namespace / SpatialReferenceBuilder Class / SpatialReferenceBuilder Constructor / SpatialReferenceBuilder Constructor(Int32)
The well-known ID that represents the Spatial Reference.
Example Version

SpatialReferenceBuilder Constructor(Int32)
Creates a new instance of the SpatialReferenceBuilder class. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public SpatialReferenceBuilder( 
   int wkid
)

Parameters

wkid
The well-known ID that represents the Spatial Reference.
Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Example
Construct a SpatialReference - from a well-known ID
// Use a builder convenience method or use a builder constructor.

// SpatialReferenceBuilder convenience methods don't need to run on the MCT.
SpatialReference sr3857 = SpatialReferenceBuilder.CreateSpatialReference(3857);

// SpatialReferenceBuilder constructors need to run on the MCT.
ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
  using (SpatialReferenceBuilder srBuilder = new SpatialReferenceBuilder(3857))
  {
    // do something with the builder

    sr3857 = srBuilder.ToSpatialReference();
  }
});
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also