ConnectionInterfaceCollection.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebParts / ConnectionInterfaceCollection.cs / 1 / ConnectionInterfaceCollection.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.WebControls.WebParts { 
 
    using System;
    using System.Collections; 
    using System.ComponentModel;
    using System.Security.Permissions;

    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    public sealed class ConnectionInterfaceCollection : ReadOnlyCollectionBase {
 
        public static readonly ConnectionInterfaceCollection Empty = new ConnectionInterfaceCollection(); 

        public ConnectionInterfaceCollection() { 
        }

        public ConnectionInterfaceCollection(ICollection connectionInterfaces) {
            Initialize(null, connectionInterfaces); 
        }
 
        public ConnectionInterfaceCollection(ConnectionInterfaceCollection existingConnectionInterfaces, 
                                             ICollection connectionInterfaces) {
            Initialize(existingConnectionInterfaces, connectionInterfaces); 
        }

        private void Initialize(ConnectionInterfaceCollection existingConnectionInterfaces, ICollection connectionInterfaces) {
            if (existingConnectionInterfaces != null) { 
                foreach (Type existingConnectionInterface in existingConnectionInterfaces) {
                    // Don't need to check arg, since we know it is valid since it came 
                    // from a ConnectionInterfaceCollection. 
                    InnerList.Add(existingConnectionInterface);
                } 
            }

            if (connectionInterfaces != null) {
                foreach (object obj in connectionInterfaces) { 
                    if (obj == null) {
                        throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "connectionInterfaces"); 
                    } 
                    if (!(obj is Type)) {
                        throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "Type"), "connectionInterfaces"); 
                    }
                    InnerList.Add(obj);
                }
            } 
        }
 
        public bool Contains(Type value) { 
            return InnerList.Contains(value);
        } 

        public int IndexOf(Type value) {
            return InnerList.IndexOf(value);
        } 

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

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

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