unit Unit1;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
 EnableWindow(FindWindowEx(FindWindow('Shell_TrayWnd', nil), 0, 'Button', nil), false); //заблокировать ПУСК
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
 EnableWindow(FindWindowEx(FindWindow('Shell_TrayWnd', nil), 0, 'Button', nil), true); //разблокировать ПУСК
end;

end.

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