C# winform dynamically generates menus with contextmenustrip

Protected coverage void OnLoad(EventArgs e)

{

Base. Load (e);

//Add menu 1

ToolStripMenuItem subitem;

SubItem = AddContextMenu ("news "，context menustrip 1.items，null)；

//Add a submenu

AddContextMenu ("Today's news", sub-item. Drop-down item, new event handler (menu clicked));

AddContextMenu ("today's concern", sub-item. DropdownItems, New Eventhandler);

//Add Menu 2

SubItem = AddContextMenu ("joke "，context menustrip 1.items，null)；

//Add a submenu

AddContextMenu ("modern joke", subtitle. Drop-down item, new event handler (menu clicked));

AddContextMenu ("ancient joke", sub-item. Drop-down item, new event handler (menu clicked));

}

///& lt； Summary & gt

///Add a submenu

///& lt； /summary & gt；

///& lt； Param name = "text"> The text to be displayed. If it is-,it will be displayed as a separator.

///& lt； Param name = "cms"> submenu set to add to.

///& lt； Param name = "callback"> Event triggered when clicked.

///& lt； The submenu generated by returns & gt returned null.

Toolstrip menuitem add context menu (string text, ToolStripItemCollection cms, EventHandler callback)

{

if (text == "-")

{

toolstrip separator tsp = new toolstrip separator()；

cms。 Add (tsp);

Returns null

}

else if(！ String. IsNullOrEmpty(text))

{

toolstrip menuitem tsmi = new toolstrip menuitem(text)；

If (callback! = null) tsmi。 Click+= Call Back;

cms。 add(tsmi)；

Return to tsmi

}

Returns null

}

Void MenuClicked (object sender, event parameter e)

{

MessageBox。 Show ("You clicked the menu item ["+((sender as ToolStripMenuItem)). text)+"]"；

}