ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / MapViewOverlayControl Class / InitialXRatio Property

InitialXRatio Property (MapViewOverlayControl)
The initial horizontal position of the control as a percent. Can be from 0 (left edge), to 1 (right edge).
Syntax
public virtual double InitialXRatio {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.1 or higher.
See Also