51 lines
1.3 KiB
C#
51 lines
1.3 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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// <OWNER>[....]</OWNER>
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//
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namespace System.Collections {
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using System;
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// Useful base class for typed readonly collections where items derive from object
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[Serializable]
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[System.Runtime.InteropServices.ComVisible(true)]
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public abstract class ReadOnlyCollectionBase : ICollection {
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ArrayList list;
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protected ArrayList InnerList {
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get {
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if (list == null)
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list = new ArrayList();
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return list;
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}
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}
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public virtual int Count {
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get { return InnerList.Count; }
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}
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bool ICollection.IsSynchronized {
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get { return InnerList.IsSynchronized; }
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}
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object ICollection.SyncRoot {
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get { return InnerList.SyncRoot; }
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}
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void ICollection.CopyTo(Array array, int index) {
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InnerList.CopyTo(array, index);
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}
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public virtual IEnumerator GetEnumerator() {
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return InnerList.GetEnumerator();
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}
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}
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}
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