ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMAnimationScreenGraphicKeyframe Class / AnchorX Property

AnchorX Property
Gets or sets the horizontal placement percent of the graphic anchor position on the viewer (0 is left edge, 1 is right edge).
Syntax
public double AnchorX {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also