// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#nullable disable

using System.Diagnostics;

namespace System.Windows.Forms
{
    public partial class ColumnHeader
    {
        internal class ColumnHeaderImageListIndexer : ImageList.Indexer
        {
            private readonly ColumnHeader _owner;

            public ColumnHeaderImageListIndexer(ColumnHeader ch)
            {
                _owner = ch;
            }

            public override ImageList ImageList
            {
                get
                {
                    return _owner.ListView?.SmallImageList;
                }
                set
                {
                    Debug.Assert(false, "We should never set the image list");
                }
            }
        }
    }
}
