Opentk/Source/OpenTK/Platform/IGameWindow.cs

using System;
using System.Collections.Generic;
using System.Text;


namespace OpenTK.Platform
{
    interface IGameWindow : INativeGLWindow
    {
        void Run();

        void OnRenderFrame(EventArgs e);
        void OnUpdateFrame(EventArgs e);
        void OnLoad(EventArgs e);

        event UpdateFrameEvent UpdateFrame;
        event RenderFrameEvent RenderFrame;
        event LoadEvent Load;

        bool IsExiting { get; }
        IList<OpenTK.Input.Keyboard> Keyboard { get; }
    }

    public delegate void UpdateFrameEvent(object sender, EventArgs e);
    public delegate void RenderFrameEvent(object sender, EventArgs e);
    public delegate void LoadEvent(object sender, EventArgs e);
}