Winform中MDI窗体的使用

this.IsMdiContainer = true ;
Form2 form2 = new Form2();
form2.MdiParent = this;//为子窗体指定父窗体
Form3 form3 = new Form3();
form3.MdiParent = this;//为子窗体指定父窗体
form2.Show();
form3.Show();
this.LayoutMdi(MdiLayout.TileVertical);//指定子窗体的排列样式，垂直排列