ItemIdType.ChangeKey property

The ChangeKey property gets or sets the change key of an item. This property is optional based on the context in which it is used. This is a read/write property.

Namespace:  ExchangeWebServices
Assembly:  EWS (in EWS.dll)

public string ChangeKey { get; set; }

Property value

Type: System.String
The ChangeKey property returns a string that represents the change key for an item.

This property is required when a change key is required to identify a version of an item.