unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, Menus, StdCtrls; type TForm1 = class(TForm) Button1: TButton; Button2: TButton; procedure FormCreate(Sender: TObject); procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} var MyMenu1,MyMenu2: TMainMenu; Item: TMenuItem; procedure TForm1.FormCreate(Sender: TObject); begin {建立第一个菜单} MyMenu1 := TMainMenu.Create(Self); MyMenu1.AutoHotkeys := maManual; Item := TMenuItem.Create(MyMenu1); Item.Caption := ''AA''; MyMenu1.Items.Add(Item); Item := TMenuItem.Create(MyMenu1); Item.Caption := ''BB''; MyMenu1.Items.Add(Item); Item := TMenuItem.Create(MyMenu1); Item.Caption := ''CC''; MyMenu1.Items.Add(Item); {建立第二个菜单} MyMenu2 := TMainMenu.Create(Self); MyMenu2.AutoHotkeys := maManual; Item := TMenuItem.Create(MyMenu2); Item.Caption := ''XX''; MyMenu2.Items.Add(Item); Item := TMenuItem.Create(MyMenu2); Item.Caption := ''YY''; MyMenu2.Items.Add(Item); Item := TMenuItem.Create(MyMenu2); Item.Caption := ''ZZ''; MyMenu2.Items.Add(Item); Self.Menu := nil; {当前 Form 没有指向任何一个菜单} end; procedure TForm1.Button1Click(Sender: TObject); begin Self.Menu := MyMenu1; {指向第一个菜单} end; procedure TForm1.Button2Click(Sender: TObject); begin Self.Menu := MyMenu2; {指向第二个菜单} end; end.
效果图: (责任编辑:admin) |