fang1004tw

            DevExpress.XtraTab.XtraTabPage p = new DevExpress.XtraTab.XtraTabPage();
            p.Text = "new form" + this.Controls.Count.ToString();
            this.xtraTabControl1.TabPages.Add(p);
            this.xtraTabControl1.SelectedTabPage = p;


           //將主畫面設定為IsMdiContainer
            this.IsMdiContainer = true;
            Form2 f = new Form2();
            //把子畫面的MdiParent 設定為主畫面
            f.MdiParent = this;
            //把子畫面 Parent 是主畫面中某一個可以放物件的Control 比如說PageControl
            f.Parent = p;            
            f.Show();