Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebParts / CatalogPartCollection.cs / 1 / CatalogPartCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.Globalization; using System.Security.Permissions; [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class CatalogPartCollection : ReadOnlyCollectionBase { public static readonly CatalogPartCollection Empty = new CatalogPartCollection(); public CatalogPartCollection() { } public CatalogPartCollection(ICollection catalogParts) { Initialize(null, catalogParts); } public CatalogPartCollection(CatalogPartCollection existingCatalogParts, ICollection catalogParts) { Initialize(existingCatalogParts, catalogParts); } public CatalogPart this[int index] { get { return (CatalogPart) InnerList[index]; } } public CatalogPart this[string id] { get { foreach (CatalogPart catalogPart in InnerList) { if (String.Equals(catalogPart.ID, id, StringComparison.OrdinalIgnoreCase)) { return catalogPart; } } return null; } } internal int Add(CatalogPart value) { return InnerList.Add(value); } public bool Contains(CatalogPart catalogPart) { return InnerList.Contains(catalogPart); } public void CopyTo(CatalogPart[] array, int index) { InnerList.CopyTo(array, index); } public int IndexOf(CatalogPart catalogPart) { return InnerList.IndexOf(catalogPart); } private void Initialize(CatalogPartCollection existingCatalogParts, ICollection catalogParts) { if (existingCatalogParts != null) { foreach (CatalogPart existingCatalogPart in existingCatalogParts) { // Don't need to check arg, since we know it is valid since it came // from a CatalogPartCollection. InnerList.Add(existingCatalogPart); } } if (catalogParts != null) { foreach (object obj in catalogParts) { if (obj == null) { throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "catalogParts"); } if (!(obj is CatalogPart)) { throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "CatalogPart"), "catalogParts"); } InnerList.Add(obj); } } } } }
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