System.Windows.Forms.TableView.CreateTopLeftButton C# (CSharp) Method

        private void CreateTopLeftButton()
        {
            if (topLeftButton == null)
            {
                topLeftButton = new TableColumnButton(this, ColumnsStyle);
                topLeftButton.Name = "topLeftButton";
                topLeftButton.Size = new Size(40, 20);
                Controls.Add(topLeftButton);
            }

            topLeftButton.Visible = !rowHeadersHidden && !columnHeadersHidden;
        }
        private void HScroll_ValueChanged(object sender, EventArgs e)