The event handler that is invoked when the ClientBase<TChannel> object transitions from the created state to the opened state.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
'Declaration Private Event Opening As EventHandler Implements ICommunicationObject.Opening
event EventHandler ICommunicationObject.Opening
For more information, see
Supported in: 5, 4, 3
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.