CommunicationObject.ThrowIfDisposedOrImmutable Method ()


Throws an exception if the communication object the State property is not set to the Created state.

Namespace:   System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

Protected Friend Sub ThrowIfDisposedOrImmutable

Exception Condition

The communication object is in a Opening or Opened state.


The communication object is in a Closing or Closed state.


The communication object is in a Faulted state.

Since an object is immutable after Open is called on it, the only state that is both mutable and not disposed is the Created state.

.NET Framework
Available since 3.0
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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