使用API动态添加删除菜单项
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.