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

Tooltip Property (PlugIn)
Gets or sets a brief description of the command that appears in a small pop-up window when a user pauses the mouse pointer over an element, such as over a Button.
Syntax
public string Tooltip {get; set;}
Remarks

The Tooltip will by default return the tooltip text entered in its DAML declaration. Use this property if you need to change the tooltip at run-time.

Example
<button id="acme_rename" caption="Rename" className="RenameProjectItem" smallImage="/Images/GenericPencil16.png">
  <tooltip heading="Rename">Rename the project item.
    <disabledText>No project loaded.</disabledText>
  </tooltip>
</button>
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also