Using proxy object instance in Objective-C?

I'm trying to use the objects declared in a WCF server (The original application is written in Silverlight) I know that this can be done in C # and other languages, but I have no idea how you can do in Objective-C

I'm not sure will be able to do that in a no. NET language. If not a Silverlight application then it probably is. I could be wrong though.

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