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

InitialYRatio Property (MapViewOverlayControl)
The initial vertical position of the control as a percent. Can be from 0 (top edge), to 1 (bottom edge).
Syntax
public virtual double InitialYRatio {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.1 or higher.
See Also