TMainMenu - 隐藏与显示菜单

新建=》应用程序

unit Unit1;

interface

uses //系统自动生成
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Menus;

type  //系统自动生成
  TForm1 = class(TForm)
    MainMenu1: TMainMenu;
    N1: TMenuItem;
    N2: TMenuItem;
    Button1: TButton;
    Button2: TButton;
    procedure N2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.N2Click(Sender: TObject);//关闭应用程序
begin
Close;
end;

procedure TForm1.Button1Click(Sender: TObject);//隐藏菜单
begin
Form1.Menu:=nil;
end;

procedure TForm1.Button2Click(Sender: TObject);//显示菜单
begin
Form1.Menu:=MainMenu1;
end;

end.