xtraTabbedMdiManager1.MdiParent = this; //设置控件的父表单..
XtraForm1 frm = new XtraForm1(); //定义一个form1窗体
frm.MdiParent = this; //设置新建窗体的父表单为当前活动窗口
xtraTabbedMdiManager1.SelectedPage = xtraTabbedMdiManager1.Pages[frm]; //使得标签的选择为当前新建的窗口
this.xtraTabbedMdiManager1.ClosePageButtonShowMode = DevExpress.XtraTab.ClosePageButtonShowMode.InAllTabPagesAndTabControlHeader; //设置标签后面添加删除按钮 , 多个标签只需要设置一次..
转载于:https://blog.51cto.com/lixia/2104889