ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping.Controls Namespace / MapControlContent Class / Extent Property

Extent Property (MapControlContent)
Gets the extent for the MapControl.
Syntax
public Envelope Extent {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also