IdentityReferenceEnumerator.cs

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using System.Collections;
using System.Collections.Generic;
 
namespace System.Security.Principal;
 
internal sealed class IdentityReferenceEnumerator : IEnumerator<IdentityReference>, IEnumerator, IDisposable
{
    private int _current;
 
    private readonly IdentityReferenceCollection _collection;
 
    object IEnumerator.Current => Current;
 
    public IdentityReference Current => _collection.Identities[_current];
 
    internal IdentityReferenceEnumerator(IdentityReferenceCollection collection)
    {
        if (collection == null)
        {
            throw new ArgumentNullException("collection");
        }
        _collection = collection;
        _current = -1;
    }
 
    public bool MoveNext()
    {
        _current++;
        return _current < _collection.Count;
    }
 
    public void Reset()
    {
        _current = -1;
    }
 
    public void Dispose()
    {
    }
}