Trim Memory Size

procedure TrimAppMemorySize;
var
  MainHandle : THandle;
begin
  try
    MainHandle := OpenProcess(PROCESS_ALL_ACCESS, false, GetCurrentProcessID) ;
    SetProcessWorkingSetSize(MainHandle, $FFFFFFFF, $FFFFFFFF) ;
    CloseHandle(MainHandle) ;
  except
  end;

  Application.ProcessMessages;
end;