手动添加BarManage的item

public void CreatMenu()     //"BarSubItem可以加下级标题，BarButtonItem不可以"
          {
              DevExpress.XtraBars.BarSubItem item1 = new DevExpress.XtraBars.BarSubItem();
              DevExpress.XtraBars.BarSubItem item2 = new DevExpress.XtraBars.BarSubItem();
              DevExpress.XtraBars.BarSubItem item3 = new DevExpress.XtraBars.BarSubItem();
              DevExpress.XtraBars.BarSubItem item4 = new DevExpress.XtraBars.BarSubItem();
              DevExpress.XtraBars.BarButtonItem item5 = new DevExpress.XtraBars.BarButtonItem();
              DevExpress.XtraBars.BarButtonItem item6 = new DevExpress.XtraBars.BarButtonItem();
              DevExpress.XtraBars.BarButtonItem item7 = new DevExpress.XtraBars.BarButtonItem();
              DevExpress.XtraBars.BarButtonItem item8 = new DevExpress.XtraBars.BarButtonItem();
              DevExpress.XtraBars.BarSubItem item9 = new DevExpress.XtraBars.BarSubItem();
              DevExpress.XtraBars.BarButtonItem item10 = new DevExpress.XtraBars.BarButtonItem();
              DevExpress.XtraBars.BarButtonItem item11 = new DevExpress.XtraBars.BarButtonItem();

              item1.Caption = "文件";
              item2.Caption = "信息管理";
              item3.Caption = "信息查询";
              item4.Caption = "新建";
              item5.Caption = "人员管理";
              item6.Caption = "合同管理";
              item7.Caption = "人员查询";
              item8.Caption = "合同查询";
              item9.Caption = "打开";
              item10.Caption = "项目";
              item11.Caption = "文件";

              //添加根标题
              this.bar2.AddItem(item1);
              this.bar2.AddItem(item2);
              this.bar2.AddItem(item3);

              //添加下级标题
              item1.AddItem(item4);
              item1.AddItem(item9);

              item2.AddItem(item5);
              item2.AddItem(item6);

              item3.AddItem(item7);
              item3.AddItem(item8);

              //“文件(item1)”中的“新建(item4)”和“打开(item9)”再添加下级
              item4.AddItem(item10);
              item9.AddItem(item11);

            
              //禁止barManage右键显示
              this.barManager1.AllowCustomization = false;       
              this.barManager1.AllowShowToolbarsPopup = false;
              //去除barManage右边小三角 自定制
              this.barManager1.AllowQuickCustomization = false;
          }