public BorderStyle BorderStyle {get; set;}

// Initialize gcComboFrame1.
private void InitialzeMyGcComboFrame()
{
    SetComboFrameContentControl();

    SetComboFrameDropDownControl();

    CreateAndAddComboFrameSideButtons();

    // Set gcComboFrame1's border style and color.
    this.gcComboFrame1.BorderStyle = BorderStyle.FixedSingle;
    this.gcComboFrame1.SingleBorderColor = Color.Black;

    InitializeComboFrameDropDowSettings();

    // Add event hanlder for the ShortcutKeyDown event.
    this.gcComboFrame1.ShortcutKeyDown += new EventHandler<KeyEventArgs>(GcComboFrame1_ShortcutKeyDown);

    // Add some events for gcComboFrame1.
    this.gcComboFrame1.DropDownOpening += new EventHandler<CancelEventArgs>(GcComboFrame1_DropDownOpening);
    this.gcComboFrame1.DropDownOpened += new EventHandler(GcComboFrame1_DropDownOpened);
    this.gcComboFrame1.DropDownClosing += new EventHandler<DropDownClosingEventArgs>(GcComboFrame1_DropDownClosing);
    this.gcComboFrame1.DropDownClosed += new EventHandler<DropDownClosedEventArgs>(GcComboFrame1_DropDownClosed);

    this.gcComboFrame1.DropDownSizeChanged += new EventHandler(GcComboFrame1_DropDownSizeChanged);
}