Alsing.Drawing.GDI.FontList.LB_DrawItem C# (CSharp) Method

        private void LB_DrawItem(object sender, DrawItemEventArgs e)
        {
            bool selected = (e.State & DrawItemState.Selected) == DrawItemState.Selected;

            if (e.Index == -1)
                return;


            object li = FontListbox.Items[e.Index];
            string text = li.ToString();

            Brush fg = selected ? SystemBrushes.HighlightText : SystemBrushes.WindowText;

            if (selected)
            {
                const int ofs = 37;
                e.Graphics.FillRectangle(SystemBrushes.Window,
                                         new Rectangle(ofs, e.Bounds.Top, e.Bounds.Width - ofs, FontListbox.ItemHeight));
                e.Graphics.FillRectangle(SystemBrushes.Highlight,
                                         new Rectangle(ofs + 1, e.Bounds.Top + 1, e.Bounds.Width - ofs - 2,
                                                       FontListbox.ItemHeight - 2));
                ControlPaint.DrawFocusRectangle(e.Graphics,
                                                new Rectangle(ofs, e.Bounds.Top, e.Bounds.Width - ofs,
                                                              FontListbox.ItemHeight));
            }
            else
            {
                e.Graphics.FillRectangle(SystemBrushes.Window, 0, e.Bounds.Top, e.Bounds.Width, FontListbox.ItemHeight);
            }


            e.Graphics.DrawString(text, e.Font, fg, 38, e.Bounds.Top + 4);

            e.Graphics.SetClip(new Rectangle(1, e.Bounds.Top + 2, 34, FontListbox.ItemHeight - 4));


            e.Graphics.FillRectangle(SystemBrushes.Highlight,
                                     new Rectangle(1, e.Bounds.Top + 2, 34, FontListbox.ItemHeight - 4));

            IntPtr hdc = e.Graphics.GetHdc();
            var gf = new GDIFont(text, 9);
            int a = 0;
            IntPtr res = NativeMethods.SelectObject(hdc, gf.hFont);
            NativeMethods.SetTextColor(hdc, ColorTranslator.ToWin32(SystemColors.Window));
            NativeMethods.SetBkMode(hdc, 0);
            NativeMethods.TabbedTextOut(hdc, 3, e.Bounds.Top + 5, "abc", 3, 0, ref a, 0);
            NativeMethods.SelectObject(hdc, res);
            gf.Dispose();
            e.Graphics.ReleaseHdc(hdc);
            e.Graphics.DrawRectangle(Pens.Black, new Rectangle(1, e.Bounds.Top + 2, 34, FontListbox.ItemHeight - 4));
            e.Graphics.ResetClip();
        }