System.Windows.Forms.TableView.TableColumnButton.OnMouseHover C# (CSharp) Method

            protected override void OnMouseHover(EventArgs e)
            {
                base.OnMouseHover(e);

                var mclient = PointToClient(MousePosition);
                if (EnableHorizontalResizing)
                {
                    if (mclient.X < ResizeWidth)
                        resizeType = resizeTypes.Left;
                    else if (mclient.X > Width - ResizeWidth)
                        resizeType = resizeTypes.Right;
                    else
                        resizeType = resizeTypes.None;
                }
            }
            protected override void OnMouseLeave(EventArgs e)