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Editorial Team
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Asked: 2026-05-28T11:15:44+00:00

Interview Question Phrased as: If you have a property name collision, how would you

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Interview Question

Phrased as:

If you have a property name collision, how would you specify the exact property to bind to in a Binding path expression (in XAML)?

I never faced this (property name collision) problem in any binding so far. With some reading I realized that this is possible in case I am binding to a overridden property because then I have two instances of this property (virtual in base, and overriden in derived) as far as resolution using Reflection is concerned. Which is what used by XAML.

  • Could there be any other case where XAML might face a property name collision?
  • Is there some support in API to handle/control that? (Instead of of course avoiding a collision)

Thanks for your interest.

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1 Answer

  1. Editorial Team

    Sounds like a complete nonsense to me. Unless they wanted to talk about bindings, using ‘disjointed’ sources like PriorityBinding and MultiBinding.

    Frankly speaking I don’t think overwritten properties can be involved into the matter as this is so much out of scope, you could equaly point out explicit interface implementations and many other things, which are clearly outside of WPF domain.

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