ArcGIS Pro 2.9 API Reference Guide
ArcGIS.Desktop.Framework.Utilities Namespace
Inheritance Hierarchy
This namespace contains classes and configuration types that are reserved for esri internal use only.
Classes
 ClassDescription
Class Class used for communicating between multiple instances of Pro using a publish/subscribe model. Messages are organized around a uniquely named channel. Subscribers can limit what messages they receive by subscribing to a specific channel. Publishers specify a channel when posting messages. Calling publish when fewer than two instances of Pro are running will produce no messages.
Class Esri application event log class.
Class Spell checking object
Enumerations
 EnumerationDescription
Enumeration EventType enumeration.
See Also

Reference

ArcGIS.Desktop.Framework Assembly