C #, how to add a sub-level menu in ToolStripMenuItem

Scenes

In the context menu to add a sub-menu options can ContextMenuStrip by

ContextMenuStrip menuStrip
MnuChartOption the ToolStripMenuItem = new new the ToolStripMenuItem ();      // New menu item object 
mnuChartOption.Name = " chart_option " ;
mnuChartOption.Text = " Graph option " ;
 // Click on the Options dialog box pop-up graphics 
mnuChartOption.Click + = delegate ( Object SENDER, EventArgs E)
   {
                
    };
menuStrip.Items.Add(mnuChartOption);

 

to realise. But if we add a submenu option in the context menu under the submenu options, the formation of two sub-menus.

Note:

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ToolStripMenuItem sub-level menu is still ToolStripMenuItem, mainly to build relationships through DropDownItems property.

Construction of two right submenu Sample Code

     = MnuDirectPrint the ToolStripMenuItem new new the ToolStripMenuItem ( " direct printing " );
            mnuDirectPrint.Name = "directPrint";
            mnuDirectPrint.Text = " direct print " ;
            mnuDirectPrint.Click += delegate(object sender, EventArgs e)
            {
                control.DoPrint ();
            };

            MnuPrintPageSet ToolStripMenuItem = new new ToolStripMenuItem ( " Print Page Setup " );
            mnuPrintPageSet.Name = "printPageSet";
            mnuPrintPageSet.Text = " Print Page Setup " ;
            mnuPrintPageSet.Click += delegate(object sender, EventArgs e)
            {
                control.DoPageSetup();
            };

            ToolStripMenuItem mnuPrint = new ToolStripMenuItem();
            mnuPrint.Name = "mnuPrint";
            mnuPrint.Text = " Print " ;
            mnuPrint.DropDownItems.Add(mnuDirectPrint);
            mnuPrint.DropDownItems.Add(mnuPrintPageSet);

            
            menuStrip.Items.Add(mnuPrint);

effect