public ZoomToCenter(point: ImagingStudyView.Point, deltaX: number, deltaY: number, evObject?: any): void
        {
            var factor = this.getZoomFactor(deltaX, deltaY, evObject);

            if (factor === -1)
                return;

            var mousePointTo =
            {
                x: point.X / this.Context.ScaleX - this.Context.OffsetX / this.Context.ScaleX,
                y: point.Y / this.Context.ScaleY - this.Context.OffsetY / this.Context.ScaleY
            };

            var scaleBy = factor;
            var newScaleX = this.Context.ScaleX * scaleBy;
            var newScaleY = this.Context.ScaleY * scaleBy;

            this.Context.ScaleX = newScaleX;
            this.Context.ScaleY = newScaleY;

            var newPos =
            {
                x: -(mousePointTo.x - point.X / newScaleX) * newScaleX,
                y: -(mousePointTo.y - point.Y / newScaleY) * newScaleY
            };

            this.Context.OffsetX = newPos.x;
            this.Context.OffsetY = newPos.y;

            this.Context.Renderer.Render();
            this.Context.OverlayRenderer.Render();
        }