unit1.pas

设计为控制开始菜单而做,使用后,可以控制,隐藏菜单.

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  Rgn : hRgn;
begin
{隐藏开始菜单}
  Rgn := CreateRectRgn(0, 0, 0, 0);
  SetWindowRgn(FindWindowEx(FindWindow('Shell_TrayWnd', nil),0,'Button',nil),Rgn, true);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
{显示开始菜单}
  SetWindowRgn(FindWindowEx(FindWindow('Shell_TrayWnd', nil),0,'Button',nil),0,true);
end; 

procedure TForm1.Button3Click(Sender: TObject);
begin
{禁用开始菜单}
  EnableWindow(FindWindowEx(FindWindow('Shell_TrayWnd', nil),0, 'Button', nil),false);
end; 

procedure TForm1.Button4Click(Sender: TObject);
begin
{取消禁用菜单}
  EnableWindow(FindWindowEx(FindWindow('Shell_TrayWnd', nil),0,'Button',nil),true);
end; 


end.