CAD二次开发 添加面板

[CommandMethod("AddPaletteSet")]
        public void AddPaletteSet()
        {
            //PaletteSet paletteset = new PaletteSet("我的MyPaletteSet");
            //paletteset.Add("第一个工具栏", new System.Windows.Forms.Control("第一个工具栏"));
            //paletteset.Add("第二个工具栏", new System.Windows.Forms.Control("第二个工具栏"));
            //paletteset.Add("第二eee个工具栏", new System.Windows.Forms.Control("第二个工具栏"));
            //paletteset.Visible = true;


            //PaletteSet paletteset = new PaletteSet("");
            //paletteset.Add("菜单条", new UserControl1());
            //paletteset.Visible = true;
            //paletteset.Size = new System.Drawing.Size(200, 50);
            //paletteset.Dock = DockSides.Top;

            PaletteSet palSet = null;

            Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
            try
            {
                if (palSet == null)
                {
                    palSet = new Autodesk.AutoCAD.Windows.PaletteSet("我的面板集");

                    palSet.Style = PaletteSetStyles.ShowTabForSingle;
                    palSet.Style = PaletteSetStyles.NameEditable;
                    palSet.Style = PaletteSetStyles.ShowPropertiesMenu;
                    palSet.Style = PaletteSetStyles.ShowAutoHideButton;
                    palSet.Style = PaletteSetStyles.ShowCloseButton;
                    palSet.Opacity = 90;
                    palSet.MinimumSize = new System.Drawing.Size(300, 300);
                    System.Windows.Forms.UserControl myPageCtrl = new UserControl1();//注意这里是加载自己写的用户控件
                    //myPageCtrl.Dock = System.Windows.Forms.DockStyle.Fill; 
                    palSet.Add("我的页面", myPageCtrl);
                    palSet.Visible = true;
                }
            }

            catch
            {
                ed.WriteMessage("创建面板集错误");
            }


        }