MultiKeyDictionary generic class.
AsFYI: In addition to my previous comments, here is the link to an excellent article published by Aron Weiler on CodeProject addressing the same issue of Multi-Key Dictionary Object: C# Multi-key Generic Dictionary[^]
AsFYI: In addition to my previous comments, here is the link to an excellent article published by Aron Weiler on CodeProject addressing the same issue of Multi-Key Dictionary Object: C# Multi-key Generic Dictionary[^]