36 lines
1.0 KiB
C#
36 lines
1.0 KiB
C#
//------------------------------------------------------------
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
//------------------------------------------------------------
|
|
|
|
namespace System.ServiceModel.Syndication
|
|
{
|
|
using System.Collections.ObjectModel;
|
|
|
|
class NullNotAllowedCollection<TCollectionItem> : Collection<TCollectionItem>
|
|
where TCollectionItem : class
|
|
{
|
|
public NullNotAllowedCollection()
|
|
: base()
|
|
{
|
|
}
|
|
|
|
protected override void InsertItem(int index, TCollectionItem item)
|
|
{
|
|
if (item == null)
|
|
{
|
|
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("item");
|
|
}
|
|
base.InsertItem(index, item);
|
|
}
|
|
|
|
protected override void SetItem(int index, TCollectionItem item)
|
|
{
|
|
if (item == null)
|
|
{
|
|
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("item");
|
|
}
|
|
base.SetItem(index, item);
|
|
}
|
|
}
|
|
}
|