unit1.pas

Delphi7应用编程150例附书源码.rar

unit Unit1;

interface

uses
  SysUtils, Windows, Messages, Classes, Graphics, Controls, Forms, Dialogs,
  Menus, StdCtrls;

type
  TForm1 = class(TForm)
    MainMenu1: TMainMenu;
    File1: TMenuItem;
    Exit1: TMenuItem;
    procedure Exit1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    procedure WMSysCommand (var Msg: TWMSysCommand);message WM_SysCommand;
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.WMSysCommand (var Msg: TWMSysCommand);
var
  Item: TMenuItem;
begin
  Item := MainMenu1.FindItem(Msg.CmdType, fkCommand);
  if Item <> nil then
    Item.Click;

  inherited;
end;

procedure TForm1.Exit1Click(Sender: TObject);
begin
  Close;
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  I: Integer;
begin
  AppendMenu(GetSystemMenu (Handle, FALSE), MF_SEPARATOR, 0, '');
  with MainMenu1 do
  begin
    for I := 0 to Items.Count - 1 do
      AppendMenu(GetSystemMenu(self.Handle,FALSE),mf_Popup,
                  Items[I].Handle,PAnsiChar(Items[I].Caption));
  end;
end;

end.