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Root/src/Graphics/PresentInterval.cs

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#region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
 * Copyright 2009-2016 Ethan Lee and the MonoGame Team
 *
 * Released under the Microsoft Public License.
 * See LICENSE for details.
 */
#endregion
 
namespace Microsoft.Xna.Framework.Graphics
{
    /// <summary>
    /// Defines how <see cref="GraphicsDevice.Present"/> updates the game window.
    /// </summary>
    public enum PresentInterval
    {
        /// <summary>
        /// Equivalent to <see cref="PresentInterval.One"/>.
        /// </summary>
        Default = 0,
        /// <summary>
        /// The driver waits for the vertical retrace period, before updating window client area. Present operations are not affected more frequently than the screen refresh rate.
        /// </summary>
        One = 1,
        /// <summary>
        /// The driver waits for the vertical retrace period, before updating window client area. Present operations are not affected more frequently than every second screen refresh.
        /// </summary>
        Two = 2,
        /// <summary>
        /// The driver updates the window client area immediately. Present operations might be affected immediately. There is no limit for framerate.
        /// </summary>
        Immediate = 3,
    }
}

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