public Duration()
{
if (DurationMethods.QueryPerformanceFrequency(out _Freq) == false)
{
throw new Win32Exception();
}
}
/// <summary>
/// 开始计时器
/// </summary>
public bool Start()
{
if (this.RunFlag)
{
return(false);
}
this.RunFlag = true;
Thread.Sleep(0);
this.Begin = DateTime.Now;
DurationMethods.QueryPerformanceCounter(out _StartTime);
return(true);
}
/// <summary>
/// 停止计时器
/// </summary>
public bool Stop()
{
if (!this.RunFlag)
{
return(false);
}
this.RunFlag = false;
this.End = DateTime.Now;
DurationMethods.QueryPerformanceCounter(out _StopTime);
this._DurationValue = (double)(_StartTime - _StopTime) / (double)_Freq * 1000;
return(true);
}