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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.
namespace System.ComponentModel.Design;
/// <summary>
/// The event args for the ActiveDesignSurface event.
/// </summary>
public class ActiveDesignSurfaceChangedEventArgs : EventArgs
{
/// <summary>
/// Creates a new ActiveDesignSurfaceChangedEventArgs instance.
/// </summary>
public ActiveDesignSurfaceChangedEventArgs(DesignSurface? oldSurface, DesignSurface? newSurface)
{
OldSurface = oldSurface;
NewSurface = newSurface;
}
/// <summary>
/// Gets the design surface that is losing activation.
/// </summary>
public DesignSurface? OldSurface { get; }
/// <summary>
/// Gets the design surface that is gaining activation.
/// </summary>
public DesignSurface? NewSurface { get; }
}
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