Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebParts / WebPartDescriptionCollection.cs / 1 / WebPartDescriptionCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Globalization; using System.Security.Permissions; [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class WebPartDescriptionCollection : ReadOnlyCollectionBase { private HybridDictionary _ids; public WebPartDescriptionCollection() { } public WebPartDescriptionCollection(ICollection webPartDescriptions) { if (webPartDescriptions == null) { throw new ArgumentNullException("webPartDescriptions"); } _ids = new HybridDictionary(webPartDescriptions.Count, true /* caseInsensitive */); foreach (object obj in webPartDescriptions) { if (obj == null) { throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "webPartDescriptions"); } WebPartDescription description = obj as WebPartDescription; if (description == null) { throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "WebPartDescription"), "webPartDescriptions"); } string id = description.ID; if (!_ids.Contains(id)) { InnerList.Add(description); _ids.Add(id, description); } else { throw new ArgumentException(SR.GetString( SR.WebPart_Collection_DuplicateID, "WebPartDescription", id), "webPartDescriptions"); } } } public bool Contains(WebPartDescription value) { return InnerList.Contains(value); } public int IndexOf(WebPartDescription value) { return InnerList.IndexOf(value); } public WebPartDescription this[int index] { get { return (WebPartDescription) InnerList[index]; } } public WebPartDescription this[string id] { get { return ((_ids != null) ? (WebPartDescription)_ids[id] : null); } } public void CopyTo(WebPartDescription[] array, int index) { InnerList.CopyTo(array, index); } } }
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