How to make the class as an IEnumerable in C#?

Question

So I\'ve got a class and a generic List inside of it, but it is private.

class Contacts
{
    List contacts;
    ...
}

I wan

Answer 1

Or return an IEnumerator by providing a GetEnumerator method:

class Contacts
{
    List contacts;

    public IEnumerator GetEnumerator()
    {
        foreach (var contact in contacts)
            yield return contact;
    }
}

The foreach looks for GetEnumerator. Have a look here for the language specification details regarding this: https://stackoverflow.com/a/3679993/284240

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