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Asked: 2026-05-14T22:02:56+00:00

I have a requirement to implement some kind of dictionary object. Something like MyDict<K,V1,

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I have a requirement to implement some kind of dictionary object. Something like MyDict<K,V1, V2). For example if I have a Question as Key(k) then Correct answer is V1 . V2 is user selected answer. Is there a collection that would satisfy this requirement in C#. If I have to design my own type, what interfaces should I implement. ICollection and Ilist ?

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  1. Editorial Team

    If you are using .NET 4, there are several generic Tuple classes that you can use.

    So, you can use:

    Dictionary<T,Tuple<V1,V2>>

    In earlier versions, you could use KeyValuePair<T1,T2> as the second generic type:

    Dictionary<T,KeyValuePair<V1,V2>>
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