计算两个时间之间的微妙

计算两个时间之间的微妙差数。

1秒=1000000微妙



    TTime beforetime;
    beforetime.HomeTime();
    User::After(1000000);

    TTime aftertime;
    aftertime.HomeTime();

    TTimeIntervalMicroSeconds interval_ms;
    TTimeIntervalSeconds interval_sec;

    aftertime.SecondsFrom(beforetime, interval_sec);
    interval_ms = aftertime.MicroSecondsFrom(beforetime);

    TInt64 ms;
    TInt sec;
    sec = interval_sec.Int();
    ms = interval_ms.Int64();
   
    TBuf<120> bNum;
    bNum.Append(_L("----------------- : "));
    bNum.AppendNum(ms);
    DBGPRINTF(bNum);