public Color BackColor {get; set;}

private void CreateGcFontPickerWithItemGroupStyle()
{
    // Create an instance of GcFontPicker control.
    GcFontPicker gcFontPicker = new GcFontPicker();

    // Initialize the Name and Location of the gcFontPicker.
    gcFontPicker.Name = "gcFontPicker";
    gcFontPicker.Location = new Point(10, 50);

    // Set the BackColor and ForeColor of the groups.
    gcFontPicker.ItemGroupStyle.BackColor = Color.Green;
    gcFontPicker.ItemGroupStyle.ForeColor = Color.Gold;

    // Set the Font of the groups.
    gcFontPicker.ItemGroupStyle.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, GraphicsUnit.Point);

    // Set the caption of all fonts group.
    gcFontPicker.ItemGroupStyle.AllFontsText = "My All Fonts";

    // Set the caption of preferred fonts group.
    gcFontPicker.ItemGroupStyle.PreferredFontsText = "My Preferred Fonts";
    // Add some items to the preferred fonts in order to show the group.
    gcFontPicker.PreferredFonts.AddRange(new FontInfo[] 
    {
        gcFontPicker.AllFonts["MingLiU"],
        gcFontPicker.AllFonts["MS UI Gothic"],
    });

    // Set the caption of recently used fonts.
    gcFontPicker.ItemGroupStyle.RecentlyUsedFontsText = "My Recently Used Fonts";
    // Add some items to the recently used fonts in order to show the group.
    gcFontPicker.RecentlyUsedFonts.AddRange(new FontInfo[] 
    {
        gcFontPicker.AllFonts["Nina"],
        gcFontPicker.AllFonts["Vrinda"]
    });

    // adds gcFontPicker to the form.
    this.Controls.Add(gcFontPicker);
}