Delphi TdxBarManager通过代码生成菜单

procedure TForm6.btn1Click(Sender: TObject);
var
ABar:TdxBar;
ABarItem:TdxBarItem;
ABarSubItem:TdxBarSubItem;
ABarItemLink:TdxBarItemLink;
ABarButton:TdxBarButton;
begin
   Self.dxBarManager1.Style:=bmsOffice11;     //设置样式    bmsFlat|bmsOffice11|bmsStandard|bmsUseLookAndFeel|bmsXP|bmsEnhanced
   Self.dxBarManager1.BeginUpdate;            //开启 dxBarManager 更新
   //添加工具栏
   ABar := Self.dxBarManager1.Bars.Add;       //通过dxBarManager添加一个 bar (可以是工具栏或菜单栏：通过属性设置)

   ABar.AllowClose:=False;                    //相关属性设置
   ABar.AllowCustomizing:=False;              //
   ABar.AllowQuickCustomizing:=False;         //
   ABar.AllowReset := False;                  //
   ABar.DockingStyle:=dsTop;                  //重要:停靠方式，不设置，将会浮动在窗口之外，这里一般在顶部停靠
   ABar.OneOnRow:=True;                       //排列在一排上，不换行

ABar.IsMainMenu:=True; //是否是主菜单 false 为工具栏

   ABar.Caption := '文件';                    //设置工具栏名称
   ABar.Visible:=True;                        //设置工具栏可见
   //添加工具栏下菜单
   ABarSubItem := Self.dxBarManager1.AddSubItem;
   ABarSubItem.Caption:='帮助';
   ABarSubItem.Visible := ivAlways;
   ABarItemLink:=ABar.ItemLinks.Insert(0);
   ABarItemLink.Item := ABarSubItem;

   ABarButton := Self.dxBarManager1.AddButton;
   ABarButton.Caption:='关于';
   ABarButton.Visible := ivAlways;
   ABarItemLink:= ABarSubItem.ItemLinks.Insert(0);
   ABarItemLink.Item := ABarButton;

   ABarButton := Self.dxBarManager1.AddButton;
   ABarButton.Caption:='关闭';
   ABarButton.Visible := ivAlways;
   ABarItemLink:= ABarSubItem.ItemLinks.Insert(ABarSubItem.ItemLinks.VisibleItemCount);
   ABarItemLink.Item := ABarButton;

    ABarButton := Self.dxBarManager1.AddButton;
   ABarButton.Caption:='关闭1';
   ABarButton.Visible := ivAlways;
   ABarItemLink:= ABarSubItem.ItemLinks.Insert(ABarSubItem.ItemLinks.VisibleItemCount);
   ABarItemLink.Item := ABarButton;

    ABarButton := Self.dxBarManager1.AddButton;
   ABarButton.Caption:='关闭2';
   ABarButton.Visible := ivAlways;
   ABarItemLink:= ABarSubItem.ItemLinks.Insert(ABarSubItem.ItemLinks.VisibleItemCount);
   ABarItemLink.Item := ABarButton;

   Self.dxBarManager1.EndUpdate;
end;