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Menu::MenuItemCollection::Add Method (Int32, MenuItem)

Adds a previously created MenuItem at the specified index within the menu item collection.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
public:
virtual int Add(
	int index, 
	MenuItem^ item
)

Parameters

index
Type: System::Int32

The position to add the new item.

item
Type: System.Windows.Forms::MenuItem

The MenuItem to add.

Return Value

Type: System::Int32
The zero-based index where the item is stored in the collection.
ExceptionCondition
Exception

The MenuItem being added is already in use.

ArgumentException

The index supplied in the index parameter is larger than the size of the collection.

A MenuItem can only be contained in one menu at a time, and cannot be added more than once to the same menu. To reuse a MenuItem in more than one menu, use the CloneMenu method of the MenuItem class. To remove a MenuItem that you have previously added, use the Remove method.

This version of the Add method allows you to add previously created MenuItem objects to a specific index location within the collection. Any MenuItem currently located at that index, and all MenuItem objects after that index, are moved to the next lowest index in the collection.

The following code example creates an instance of the derived class, MainMenu, and adds a MenuItem object to its collection of MenuItem objects at a specific location in the menu item collection. This example requires that the method defined in this example is located within the class for a form and called by a method in that form class.

private:
   void InitializeMyMainMenu()
   {
      // Create the MainMenu and the MenuItem to add.
      MainMenu^ mainMenu1 = gcnew MainMenu;
      MenuItem^ menuItem1 = gcnew MenuItem( "&File" );

      /* Use the MenuItems property to call the Add method
         to add the MenuItem to mainMenu1 at specific index. */
      mainMenu1->MenuItems->Add( 0, menuItem1 );

      // Assign mainMenu1 to the form. 
      this->Menu = mainMenu1;
   }

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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