asp.net 获取安装的所有字体，并绑定dropdownlist

   InstalledFontCollection ifc = new InstalledFontCollection();
        FontFamily[] ff = ifc.Families;
        foreach (FontFamily f in ff)
        {
            ListItem lt = new ListItem(f.Name.ToString(), f.Name.ToString());

            DropDownList2.Items.Add(lt);
        }