unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: TEdit;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
procedure SysMenu(var msg: TMessage); message wm_syscommand;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
var
i:integer;
begin
i:=GetSystemMenu(handle,false);
AppendMenu(i,MF_SEPARATOR,0,nil); //添加分割线
AppendMenu(i,MF_STRING,100,'我的菜单(&E)');//添加菜单项
end;
procedure TForm1.SysMenu(var msg: TMessage);
begin
if msg.WParamLo=100 then
showmessage('a')
else
inherited;
end;
end.

顶下

procedure TForm1.SysMenu(var msg: TMessage);这种是不是必须在private里声明后，敲出来，而不能像procedure TForm1.FormCreate(Sender: TObject);直接双击就出来。请教楼主