/Source/HelixToolkit.Wpf/Helpers/WeakEventManagers/RenderingEventManager.cs

// --------------------------------------------------------------------------------------------------------------------

// <copyright file="RenderingEventManager.cs" company="Helix 3D Toolkit">

//   http://helixtoolkit.codeplex.com, license: MIT

// </copyright>

// --------------------------------------------------------------------------------------------------------------------



namespace HelixToolkit.Wpf

{

    using System.Windows.Media;



    /// <summary>

    /// Represents a weak event manager for the CompositionTarget.Rendering event.

    /// </summary>

    public class RenderingEventManager : WeakEventManagerBase<RenderingEventManager>

    {

        /// <summary>

        /// Start listening to the CompositionTarget.Rendering event.

        /// </summary>

        protected override void StartListening()

        {

            CompositionTarget.Rendering += this.Handler;

        }



        /// <summary>

        /// Stop listening to the CompositionTarget.Rendering event.

        /// </summary>

        protected override void StopListening()

        {

            CompositionTarget.Rendering -= this.Handler;

        }

    }

}