ArcGIS Pro 2.6 API Reference Guide
DockPaneManager Property

ArcGIS.Desktop.Framework Namespace > FrameworkApplication Class : DockPaneManager Property
Gets all the active dockpane instances; this singleton also lets you activate, create, and close dockpanes.
Syntax
public static DockPaneManager DockPaneManager {get;}
Public Shared ReadOnly Property DockPaneManager As DockPaneManager
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

FrameworkApplication Class
FrameworkApplication Members
DockPane Class