ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / Map Class / SetSpatialReference Method
SpatialReference.
Version

SetSpatialReference Method (Map)
Updates the spatial reference of the map. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public void SetSpatialReference( 
   SpatialReference spatialReference
)

Parameters

spatialReference
SpatialReference.
Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also