MDI multi-Document form Cont.

Private voidLoad Form _click (Objectsender, EventArgs e) {Form2 frm=NewForm2 ();//Instantiate Form2frm. MdiParent = This;//The this keyword, which represents the object of the Form1 form. frm.            Show (); FORM3 FRM3=NewFORM3 ();//Instantiate Form2Frm3. MdiParent = This;//The this keyword, which represents the object of the Form1 form. FRM3.        Show (); }        Private voidPlain Water Shop _click (Objectsender, EventArgs e) {layoutmdi (mdilayout.tilehorizontal); }
       
         name did not change, but instead changed the value of his text  .Private voidToolstripmenuitem1_click (Objectsender, EventArgs e)//Tile vertically,{layoutmdi (mdilayout.tilevertical); }        Private voidToolstripmenuitem2_click (Objectsender, EventArgs e) {}

       privatevoid Toolstripmenuitem3_click (object  sender, EventArgs e)//cascade arrangement; later added, The diagram does not have        {            layoutmdi (mdilayout.cascade);        }

     Operation Result:


Above this figure is a menu with menstrip!

MDI multi-Document form Cont.