Sorting a SortedDictionary based on value, not key

Question

I have a SortedDictionary, the key is a int value and the matching value to each key is a class object. The class contains a int and a two datetime variable.

I need

Answer 1

I think you can use SortedSet and Tuple of your key and value, like: SortedSet> ((a,b)=>(a.Item2.CompareTo(b.Item2));