ArcGIS Pro 2.7 API Reference Guide
InitialXRatio Property (IMapViewOverlayControl)

ArcGIS.Desktop.Mapping Namespace > IMapViewOverlayControl Interface : InitialXRatio Property
The initial horizontal position of the control as a percent. Can be from 0 (left edge), to 1 (right edge).
Syntax
double InitialXRatio {get;}
ReadOnly Property InitialXRatio As Double
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

IMapViewOverlayControl Interface
IMapViewOverlayControl Members