ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Data.NetworkDiagrams Namespace / RotateTreeDiagramLayoutParameters Class / Rotation Property

Rotation Property (RotateTreeDiagramLayoutParameters)
Angle in degrees that will be used to rotate the tree.
Syntax
public double Rotation {get; set;}
Remarks
The default is 45.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 3.0 or higher.
See Also