Create Dictionary-style collection initializer on custom class [duplicate]

Answer 1

public class Paircollection : List>
{
    public void Add(T1 value1, T2 value2)
    {
        Add(new Pair(value1, value2));
    }
}

and then

var temp = new Paircollection
{
    {0, "bob"},
    {1, "phil"},
    {0, "nick"}
};

will work. Essentially you're just creating a version of List> that knows how to do the right Add things.

This is obviously expandable to any other class than Pair (in a way that the dictionary solutions aren't).

Thanks to Yuriy Faktorovich for helping me with my initial understanding and the linked question for pointing me in teh right direction.