Smooth stream player 2.7

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Silverlight5

Hi,
Any one who has experiences with using
.ScheduleAdvertisement(adUri, DeliveryMethods.AdaptiveStreaming, dr, ctrUri,new TimeSpan(0,0,60), true, null, null);
in Smoothtreaming player version 2.7, please share your example.
Thank you very much in advance for your help.