ArcGIS Pro 2.1 API Reference Guide
ObjectDisconnectedException Class
Members 

ArcGIS.Core Namespace : ObjectDisconnectedException Class
Exception thrown if the corresponding Pro fine-grained object has already been disposed or the handle to its underlying native object has been cleared.
Syntax
Inheritance Hierarchy

System.Object
   System.Exception
      ArcGIS.Core.ObjectDisconnectedException

Requirements

Target Platforms:Windows 10, Windows 8.1, Windows 7

See Also

Reference

ObjectDisconnectedException Members
ArcGIS.Core Namespace