namespace CoreGraphics
{
    public sealed class CGEvent : INativeObject, IDisposable
    {
        public delegate IntPtr CGEventTapCallback(IntPtr tapProxyEvent, CGEventType eventType, IntPtr eventRef, IntPtr userInfo);
        {
            public virtual IntPtr Invoke(IntPtr tapProxyEvent, CGEventType eventType, IntPtr eventRef, IntPtr userInfo);
        }
    }
}