ProviderConnectionPointCollection.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 / ProviderConnectionPointCollection.cs / 1 / ProviderConnectionPointCollection.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.Globalization;
    using System.Security.Permissions;

    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    public sealed class ProviderConnectionPointCollection : ReadOnlyCollectionBase {
 
        private HybridDictionary _ids; 

        public ProviderConnectionPointCollection() { 
        }

        public ProviderConnectionPointCollection(ICollection connectionPoints) {
            if (connectionPoints == null) { 
                throw new ArgumentNullException("connectionPoints");
            } 
 
            _ids = new HybridDictionary(connectionPoints.Count, true /* caseInsensitive */);
            foreach (object obj in connectionPoints) { 
                if (obj == null) {
                    throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "connectionPoints");
                }
                ProviderConnectionPoint point = obj as ProviderConnectionPoint; 
                if (point == null) {
                    throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "ProviderConnectionPoint"), 
                                                "connectionPoints"); 
                }
                string id = point.ID; 
                if (!_ids.Contains(id)) {
                    InnerList.Add(point);
                    _ids.Add(id, point);
                } 
                else {
                    throw new ArgumentException(SR.GetString( 
                        SR.WebPart_Collection_DuplicateID, "ProviderConnectionPoint", id), "connectionPoints"); 
                }
            } 
        }

        public ProviderConnectionPoint Default {
            get { 
                return this[ConnectionPoint.DefaultID];
            } 
        } 

        public ProviderConnectionPoint this[int index] { 
            get {
                return (ProviderConnectionPoint)InnerList[index];
            }
        } 

        public ProviderConnectionPoint this[string id] { 
            get { 
                return ((_ids != null) ? (ProviderConnectionPoint)_ids[id] : null);
            } 
        }

        public bool Contains(ProviderConnectionPoint connectionPoint) {
            return InnerList.Contains(connectionPoint); 
        }
 
        public int IndexOf(ProviderConnectionPoint connectionPoint) { 
            return InnerList.IndexOf(connectionPoint);
        } 

        public void CopyTo(ProviderConnectionPoint[] array, int index) {
            InnerList.CopyTo(array, index);
        } 
    }
}

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