ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Editing Namespace / SplitByPercentage Class / Percentage Property

Percentage Property
Gets and sets the split percentage.
Syntax
public double Percentage {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.2 or higher.
See Also