// 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.
 
//
 
using System.Runtime.InteropServices;
using System.Windows.Markup;
 
 
namespace System.Windows.Media.Effects
{
    /// <summary>
    /// The class defintion for BitmapEffectGroup
    /// </summary>
    [ContentProperty("Children")]
    public sealed partial class BitmapEffectGroup : BitmapEffect
    {
        /// <summary>
        /// 
        /// </summary>
        public BitmapEffectGroup()
        {
        }
        
        /// <summary>
        /// 1. Updates (propagates) the properties to the unmanaged handle of all
        /// the child effects
        /// 2. Sets up all the connections
        /// 3. Wraps the list with the aggregate effect
        /// </summary>
        /// <param name="unmanagedEffect">Unmanaged handle for aggregate effect</param>
        [Obsolete(MS.Internal.Media.VisualTreeUtils.BitmapEffectObsoleteMessage)]
        protected override void UpdateUnmanagedPropertyState(SafeHandle unmanagedEffect)
        {
        }
        
        /// <summary>
        /// Create an unmanaged handle for the group effect
        /// </summary>
        /// <returns></returns>
        [Obsolete(MS.Internal.Media.VisualTreeUtils.BitmapEffectObsoleteMessage)]
        protected override unsafe SafeHandle CreateUnmanagedEffect()
        {
            return null;
        }
    }
}