ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework Namespace / IPlugInWrapper Interface / TooltipHeading Property
Example Version

TooltipHeading Property (IPlugInWrapper)
Gets or sets the caption to appear above the tooltip in a pop-up window to give more information about the plug-in.
Syntax
string TooltipHeading {get; set;}
Example
Get a button's tooltip heading
//Pass in the daml id of your button. Or pass in any Pro button ID.
IPlugInWrapper wrapper = FrameworkApplication.GetPlugInWrapper("button_id_from daml");
var buttonTooltipHeading = wrapper.TooltipHeading;
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also