ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMViewCamera Class / ViewportWidth Property
Version

ViewportWidth Property (CIMViewCamera)
Gets or sets the width of the viewport in meters. Viewport height and width are used for consistent camera positioning in isometric 3D views, eye separation in 3D stereo views and defines the focal distance in perspective views.
Syntax
public double ViewportWidth {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also