Exposing the indexer / default property via COM Interop

Question

I am attempting to write a component in C# to be consumed by classic ASP that allows me to access the indexer of the component (aka default property).

For example:

Answer 1

Thanks to Rob Walker's tip, I got it working by adding the following method and attribute to MyCollection:

[DispId(0)]
public string Item(string key) {
    return this[key];
}

Edit: See this better solution which uses an indexer.