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unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs;
type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
  private
    procedure OnMessage(var Msg: TMsg; var Handled: Boolean);
  public
    { Public declarations }
  end;
var
  Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
  GetSystemMenu(Application.Handle,True);
  Application.OnMessage:=OnMessage;
end;
procedure TForm1.OnMessage(var Msg: TMsg; var Handled: Boolean);
begin
  case Msg.message of
    WM_SYSCOMMAND:
      begin
        SendMessage(Handle,Msg.message,Msg.wParam,Msg.lParam);
        Handled:=True;
      end;
  end;
end;
end.


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