NonNullItemCollection.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.ServiceModel.Discovery / System / ServiceModel / Discovery / NonNullItemCollection.cs / 1305376 / NonNullItemCollection.cs

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

namespace System.ServiceModel.Discovery 
{
    using System.Collections.ObjectModel; 
 
    // The NonNullItemCollection overrides the InsertItem and SetItem
    // methods to check if any null items are inserted. All publicly 
    // exposed collections and collections used for serialization
    // either use this or a collection which inherits this collection.
    class NonNullItemCollection : Collection
    { 
        protected override void InsertItem(int index, T item)
        { 
            if (item == null) 
            {
                throw FxTrace.Exception.ArgumentNull("item"); 
            }
            base.InsertItem(index, item);

        } 

        protected override void SetItem(int index, T item) 
        { 
            if (item == null)
            { 
                throw FxTrace.Exception.ArgumentNull("item");
            }
            base.SetItem(index, item);
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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