procedure TForm27.N48Click(Sender: TObject);
var
  StartupInfo:TStartupInfo;
  ProcessInfo:TProcessInformation;
begin
//计算器调用
     FillChar(StartupInfo,Sizeof(StartupInfo),#0);
     StartupInfo.cb := Sizeof(StartupInfo);     StartupInfo.dwFlags := STARTF_USESHOWWINDOW;
     CreateProcess(nil,
        'Calc',
        nil,
        nil,
        false,
        CREATE_NEW_CONSOLE or
        NORMAL_PRIORITY_CLASS,
        nil,
        nil,
        StartupInfo,
        ProcessInfo);
end;