//------------------------------------------------------------------------------
// <copyright file="PersonalizationStateInfoCollection.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>                                                                
//------------------------------------------------------------------------------
 
namespace System.Web.UI.WebControls.WebParts {
 
    using System;
    using System.Configuration.Provider;
    using System.Web;
    using System.Web.UI;
 
    public sealed class PersonalizationProviderCollection : ProviderCollection {
 
        new public PersonalizationProvider this[string name] {
            get {
                return (PersonalizationProvider)base[name];
            }
        }
 
        public override void Add(ProviderBase provider) {
            if (provider == null) {
                throw new ArgumentNullException("provider");
            }
 
            if (!(provider is PersonalizationProvider)) {
                throw new ArgumentException(
                    SR.GetString(SR.Provider_must_implement_the_interface,
                        provider.GetType().FullName, "PersonalizationProvider"));
            }
 
            base.Add(provider);
        }
 
        public void CopyTo(PersonalizationProvider[] array, int index) {
            base.CopyTo(array, index);
        }
    }
}