Rubbin工具栏文字图标上下对齐，工具栏只用一列怎么弄？

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         RibbonTab RibbonTab2 = new RibbonTab();
         // Label the tab
         RibbonTab2.Text = "业务模块";
         菜单区.Tabs.Add(RibbonTab2);
         // Add a group to the Write tab
         RibbonGroup RibbonGroup2 = new RibbonGroup();
         // Label the group
         RibbonGroup2.Text = "业务模块";
         RibbonTab2.Groups.Add(RibbonGroup2);
         RibbonToggleButton ToggleBtn1 = new RibbonToggleButton();
         // Add RibbonToggleButton to the Ribbon Group
         RibbonGroup2.Items.Add(ToggleBtn1);
         // Edit the toggle button properties
         ToggleBtn1.SmallImage = Properties.Resources.Image;
         ToggleBtn1.Text = "报表查询";
         ToggleBtn1.ToolTip = "Align Left";

         RibbonToggleButton ToggleBtn2 = new RibbonToggleButton();
         // Add RibbonToggleButton to the Ribbon Group
         RibbonGroup2.Items.Add(ToggleBtn2);
         // Edit the toggle button properties
         ToggleBtn2.SmallImage = Properties.Resources.Image;
         ToggleBtn2.Text = "日程管理";
         ToggleBtn2.ToolTip = "日程管理";

         RibbonToggleButton ToggleBtn3 = new RibbonToggleButton();
         // Add RibbonToggleButton to the Ribbon Group
         RibbonGroup2.Items.Add(ToggleBtn3);
         // Edit the toggle button properties
         ToggleBtn3.SmallImage = Properties.Resources.Image;
         ToggleBtn3.Text = "数据维护";
         ToggleBtn3.ToolTip = "数据维护";

         RibbonToggleButton ToggleBtn4 = new RibbonToggleButton();
         // Add RibbonToggleButton to the Ribbon Group
         RibbonGroup2.Items.Add(ToggleBtn4);
         // Edit the toggle button properties
         ToggleBtn4.SmallImage = Properties.Resources.Image;
         ToggleBtn4.Text = "信息反馈";
         ToggleBtn4.ToolTip = "Align Left";