Why is there no generic implementation of OrderedDictionary in .net?

Posted by nonot1 on Programmers See other posts from Programmers or by nonot1
Published on 2010-11-02T14:47:22Z Indexed on 2012/10/27 23:19 UTC
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Why did Microsoft not provide generic implementation of OrderedDictionary?

There are a few custom implementations I've seen, including: http://www.codeproject.com/KB/recipes/GenericOrderedDictionary.aspx

But why did Microsoft not include it in the base .net library? Surely they had a reason for not building a generic.... but what is it?

Prior to posting this message, I did see: http://stackoverflow.com/questions/2629027/no-generic-implementation-of-ordereddictionary

But that just confirms that it does not exist. Not why it does not exist.

Thanks

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