52 lines
1.5 KiB
C#
52 lines
1.5 KiB
C#
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// ==++==
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// ==--==
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/*============================================================
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**
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** Interface: IEnumerable
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**
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** <OWNER>[....]</OWNER>
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**
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**
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** Purpose: Interface for classes providing IEnumerators
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**
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**
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===========================================================*/
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namespace System.Collections {
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using System;
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using System.Diagnostics.Contracts;
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using System.Runtime.InteropServices;
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// Implement this interface if you need to support VB's foreach semantics.
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// Also, COM classes that support an enumerator will also implement this interface.
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#if CONTRACTS_FULL
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[ContractClass(typeof(IEnumerableContract))]
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#endif // CONTRACTS_FULL
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[Guid("496B0ABE-CDEE-11d3-88E8-00902754C43A")]
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[System.Runtime.InteropServices.ComVisible(true)]
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public interface IEnumerable
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{
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// Interfaces are not serializable
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// Returns an IEnumerator for this enumerable Object. The enumerator provides
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// a simple way to access all the contents of a collection.
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[Pure]
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[DispId(-4)]
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IEnumerator GetEnumerator();
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}
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#if CONTRACTS_FULL
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[ContractClassFor(typeof(IEnumerable))]
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internal abstract class IEnumerableContract : IEnumerable
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{
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[Pure]
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IEnumerator IEnumerable.GetEnumerator()
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{
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Contract.Ensures(Contract.Result<IEnumerator>() != null);
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return default(IEnumerator);
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}
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}
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#endif // CONTRACTS_FULL
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}
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