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copied!<p>Yes, you do, but you need to be very careful when doing so. While closing anything that implements <a href="http://msdn.microsoft.com/en-us/library/system.servicemodel.icommunicationobject.aspx" rel="nofollow noreferrer"><code>ICommunicationObject</code></a> the potential exists to cause the disposal of the object to take an excessive amount of time in the event that there is an error or fault on the channel.</p> <p>Because of this, it is prescribed that you call the <a href="http://msdn.microsoft.com/en-us/library/system.servicemodel.icommunicationobject.close.aspx" rel="nofollow noreferrer"><code>Close</code> method</a> and then call the <code>Dispose</code> method on <code>IDisposable</code>, using a number of catches for certain exception types and calling <a href="http://msdn.microsoft.com/en-us/library/system.servicemodel.icommunicationobject.abort.aspx" rel="nofollow noreferrer"><code>Abort</code></a> before you finally call <code>Dispose</code>.</p> <p>You can wrap this logic up in an <code>IDisposable</code> implementation which you can use in a <code>using</code> statement, as I've <a href="http://caspershouse.com/post/Using-IDisposable-on-WCF-Proxies-(or-any-ICommunicationObject-implementation).aspx" rel="nofollow noreferrer">outlined in a blog post on this matter</a>.</p> <p>The key here is to create a token that implements <code>IDisposable</code> and then in that implementation, call <code>Close</code>, catch the relevant exceptions, call <code>Abort</code> (if necessary) and then call <code>Dispose</code>.</p> <p>This is implemented as an extension method which returns an <code>IDisposable</code> on it which in turn allows you to use it in a <code>using</code> statement.</p>

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