internal DisplayInitializationUIAsyncResult(ServiceChannel channel, IInteractiveChannelInitializer[] initializers, AsyncCallback callback, object state) : base(callback, state)
 {
     this.index = -1;
     this.channel = channel;
     this.initializers = initializers;
     this.proxy = channel.Proxy as IClientChannel;
     this.CallBegin(true);
 }
 internal DisplayInitializationUIAsyncResult(ServiceChannel channel,
                                             IInteractiveChannelInitializer[] initializers,
                                             AsyncCallback callback, object state)
     : base(callback, state)
 {
     _channel = channel;
     _initializers = initializers;
     _proxy = ServiceChannelFactory.GetServiceChannel(channel.Proxy);
     this.CallBegin(true);
 }