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//------------------------------------------------------------------------------
// <copyright file="CatalogPartCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Collections;
using System.Globalization;
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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