ArcGIS Pro 2.7 API Reference Guide
IArcGISSignOn Interface Members
Methods 

ArcGIS.Core.SystemCore Namespace : IArcGISSignOn Interface

The following tables list the members exposed by IArcGISSignOn.

Public Methods
 NameDescription
 Method Ensures that a portal URI is formatted correctly.  
 Method Check if the portal provided by the Uri is signed on. This method is for use in CoreHost applications only  
 Method Set your SignOnHandler to receive challenge requests whenever a federated feature service requires authentication. This method is for use in CoreHost applications only.  
 Method Sign in to the portal provided by the Uri. This method is for use in CoreHost applications only  
 Method Sign out of the portal provided by the Uri. This method is for use in CoreHost applications only  
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See Also

Reference

IArcGISSignOn Interface
ArcGIS.Core.SystemCore Namespace