The property gets or sets an instance of the DateTime structure that represents the end of a duration.
Assembly: EWS (in EWS.dll)
The UpdateItem method can set the Start and time of an Exchange store item. In an UpdateItem request, you can set the Start time without also setting the time. This can cause an error if the Start time is later than the time. Client applications must perform adjustments to the time when the Start time is changed in order to preserve the Duration.