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Editorial Team
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Asked: 2026-05-18T08:12:46+00:00

Is this valid? or does it smell? What I’d want to do is: Have

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Is this valid? or does it smell?
What I’d want to do is:

  • Have a datacontract object that holds a friendly object tree that can be saved by the service layer without the GUI not having to worry about it.
  • At the GUI level I make heavy use of databinding and also have some GUI specific logic (like cloning, flagging as deleted, basic validations, INotifyPropertyChanged etc).

I’d like to extend this DataContract class so I just have to add BindingLists, or my specific GUI logic and then send this object without the need of translating it to the WCF service layer.

Maybe composition is a better approach than extending?
any ideas?

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1 Answer

  1. Editorial Team

    I wouldn’t extend the DataContract class. I would create a Facade that added the extra functionality that I needed and could also handle communicating back down through the DataContract transparently.

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