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// 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.
/*=============================================================================
**
**
**
** Purpose: This the interface that be implemented by class that want to
** customize the behavior of QueryInterface.
**
**
=============================================================================*/
namespace System.Runtime.InteropServices {
using System;
//====================================================================
// The enum of the return value of IQuerable.GetInterface
//====================================================================
[Serializable]
public enum CustomQueryInterfaceResult
{
Handled = 0,
NotHandled = 1,
Failed = 2,
}
//====================================================================
// The interface for customizing IQueryInterface
//====================================================================
public interface ICustomQueryInterface
{
CustomQueryInterfaceResult GetInterface([In]ref Guid iid, out IntPtr ppv);
}
}
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