using System;
using System.Collections;

namespace System.Security.Cryptography
{
	/// <summary>Provides the ability to navigate through an <see cref="T:System.Security.Cryptography.OidCollection" /> object. This class cannot be inherited.</summary>
	// Token: 0x020002A9 RID: 681
	public sealed class OidEnumerator : IEnumerator
	{
		// Token: 0x060018E1 RID: 6369 RVA: 0x000554D0 File Offset: 0x000536D0
		internal OidEnumerator(OidCollection collection)
		{
			this._collection = collection;
			this._position = -1;
		}

		/// <summary>Gets the current <see cref="T:System.Security.Cryptography.Oid" /> object in an <see cref="T:System.Security.Cryptography.OidCollection" /> object.</summary>
		/// <returns>The current <see cref="T:System.Security.Cryptography.Oid" /> object.</returns>
		// Token: 0x170007CB RID: 1995
		// (get) Token: 0x060018E2 RID: 6370 RVA: 0x000554E8 File Offset: 0x000536E8
		object IEnumerator.Current
		{
			get
			{
				if (this._position < 0)
				{
					throw new ArgumentOutOfRangeException();
				}
				return this._collection[this._position];
			}
		}

		/// <summary>Gets the current <see cref="T:System.Security.Cryptography.Oid" /> object in an <see cref="T:System.Security.Cryptography.OidCollection" /> object.</summary>
		/// <returns>The current <see cref="T:System.Security.Cryptography.Oid" /> object in the collection.</returns>
		// Token: 0x170007CC RID: 1996
		// (get) Token: 0x060018E3 RID: 6371 RVA: 0x00055510 File Offset: 0x00053710
		public Oid Current
		{
			get
			{
				if (this._position < 0)
				{
					throw new ArgumentOutOfRangeException();
				}
				return this._collection[this._position];
			}
		}

		/// <summary>Advances to the next <see cref="T:System.Security.Cryptography.Oid" /> object in an <see cref="T:System.Security.Cryptography.OidCollection" /> object.</summary>
		/// <returns>true, if the enumerator was successfully advanced to the next element; false, if the enumerator has passed the end of the collection.</returns>
		/// <exception cref="T:System.InvalidOperationException">The collection was modified after the enumerator was created.</exception>
		// Token: 0x060018E4 RID: 6372 RVA: 0x00055538 File Offset: 0x00053738
		public bool MoveNext()
		{
			if (++this._position < this._collection.Count)
			{
				return true;
			}
			this._position = this._collection.Count - 1;
			return false;
		}

		/// <summary>Sets an enumerator to its initial position.</summary>
		/// <exception cref="T:System.InvalidOperationException">The collection was modified after the enumerator was created.</exception>
		// Token: 0x060018E5 RID: 6373 RVA: 0x0005557C File Offset: 0x0005377C
		public void Reset()
		{
			this._position = -1;
		}

		// Token: 0x040013BF RID: 5055
		private OidCollection _collection;

		// Token: 0x040013C0 RID: 5056
		private int _position;
	}
}