ArcGIS Pro 2.6 API Reference Guide
Parent Property (Page)

ArcGIS.Desktop.Framework.Contracts Namespace > Page Class : Parent Property
Gets or sets parent page of the page, if the property sheet is using a tree representation.
Syntax
protected internal Page Parent {get; set;}
Protected Friend Property Parent As Page
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

Page Class
Page Members