CatalogPartCollection.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / 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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