NPlot.Windows.PlotSurface2D.DoMouseLeave C# (CSharp) Method

        public void DoMouseLeave(EventArgs e, Control ctr)
        {
            bool dirty = false;
            foreach (Interactions.Interaction i in interactions_)
            {
                dirty = i.DoMouseLeave(e, this) || dirty;
            }
            if (dirty)
                Refresh();
        }