Inheritance: CanvasViewport
        public override void BindWindowControl(Control windowControl)
        {
            //bind to anycontrol GDI control
            this.windowControl = windowControl;
            this.SetBaseCanvasViewport(this.canvasViewport = new SkiaCanvasViewport(this.RootGfx,
                                                                                    this.Size.ToSize(), 4));

            this.RootGfx.SetPaintDelegates(
                this.canvasViewport.CanvasInvlidateArea,
                this.PaintToOutputWindow);
#if DEBUG
            this.dbugWinControl = windowControl;
            this.canvasViewport.dbugOutputWindow = this;
#endif
            this.EvaluateScrollbar();
        }
        public override void BindWindowControl(Control windowControl)
        {
            //bind to anycontrol GDI control
            _windowControl = windowControl;
            this.SetBaseCanvasViewport(_canvasViewport = new SkiaCanvasViewport(this.RootGfx,
                                                                                new Size(windowControl.Width, windowControl.Height)));

            this.RootGfx.SetPaintDelegates(
                _canvasViewport.CanvasInvalidateArea,
                this.PaintToOutputWindow);
#if DEBUG
            this.dbugWinControl = windowControl;
            _canvasViewport.dbugOutputWindow = this;
#endif
            this.EvaluateScrollbar();
        }
        public override void BindWindowControl(Control windowControl)
        {
            //bind to anycontrol GDI control  
            this.windowControl = windowControl;
            this.SetBaseCanvasViewport(this.canvasViewport = new SkiaCanvasViewport(this.RootGfx,
                this.Size.ToSize(), 4));

            this.RootGfx.SetPaintDelegates(
                    this.canvasViewport.CanvasInvlidateArea,
                    this.PaintToOutputWindow);
#if DEBUG
            this.dbugWinControl = windowControl;
            this.canvasViewport.dbugOutputWindow = this;
#endif
            this.EvaluateScrollbar();
        }