使用API动态添加删除菜单项

unit Unit1;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls;

type

TForm1 = class(TForm)

    Button1: TButton;

    procedure FormCreate(Sender: TObject);

    procedure Button1Click(Sender: TObject);

private

    { Private declarations }

    hMenu,hPopMenu1,hPopMenu2:HMENU;

public

    { Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);

begin

hMenu:=CreateMenu();

hPopMenu1:=CreateMenu();

hPopMenu2:=CreateMenu();

AppendMenu(hPopMenu1,MF_STRING,40001,'New');

AppendMenu(hPopMenu1,MF_STRING,40002,'Open');

AppendMenu(hPopMenu2,MF_STRING,40005,'About');

AppendMenu(hPopMenu1,MF_POPUP, hPopMenu2, 'Help');

AppendMenu(hMenu,MF_POPUP,hPopMenu1,'&File');

SetMenu(self.Handle,hMenu);

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

DeleteMenu(hPopMenu1,2,MF_BYPOSITION);

end;

end.