ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / Pane Class / Caption Property
Example Version

Caption Property (Pane)
Gets or sets the Pane's caption.
Syntax
public new string Caption {get; set;}
Example
Renames the caption of the pane
ProApp.Panes.ActivePane.Caption = "Caption";
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also