ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework Namespace / Notification Class / ImageSource Property
Version

ImageSource Property (Notification)
Gets or sets the image to show. ImageUrl must be null for this property to work properly.
Syntax
public ImageSource ImageSource {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also