PopupMenu в TrayIcon не пропадает по щелчу в любом месте экрана

#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h" 
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "Trayicon"
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
 //   Form1->DoubleBuffered = true;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    Timer1->Enabled ^= 1;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Timer1Timer(TObject *Sender)
{
   static int z = 51;
   if (z)  N2->Caption = String().sprintf("Осталось %d сек",z--);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Exit1Click(TObject *Sender)
{
   Close();
}
//---------------------------------------------------------------------------