ArcGIS Pro 2.7 API Reference Guide
ProjectUnitFormatsChangedEvent Class
Members 

ArcGIS.Desktop.Core.Events Namespace : ProjectUnitFormatsChangedEvent Class
Event raised when any of the project unit formats are changed, new ones added or existing ones removed. Unit format changes are per-project
Object Model
ProjectUnitFormatsChangedEvent ClassSubscriptionToken ClassSubscriptionToken Class
Syntax
Remarks
This event is only fired when there is an active project. Check the ProjectUnitFormatsChangedEventArgs to determine if a change of one or more of the project default format units was made as part of the event.
Note: ProjectUnitFormatsChangedEvent is also fired in response to changes made via the Project Options UI off backstage. The ProjectUnitFormatsChangedEventArgs.DefaultsChangedHint will contain all ArcGIS.Desktop.Core.UnitFormats.UnitFormatType values for an event originating from the Options UI.
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Events.EventBase
      ArcGIS.Core.Events.CompositePresentationEvent<TPayload>
         ArcGIS.Desktop.Core.Events.ProjectUnitFormatsChangedEvent

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

ProjectUnitFormatsChangedEvent Members
ArcGIS.Desktop.Core.Events Namespace