private void chartToolStrip1_TimeFrameChanged(ChartTimeFrame timeFrame)
{
BarSeries barSeries = new BarSeries();
((TimeSeries)barSeries).DataSeries = ((TimeSeries)this.instrument.GetDailySeries()).DataSeries;
BarSeries series = null;
switch (timeFrame)
{
case ChartTimeFrame.Day:
series = barSeries;
series.Name = ((FIXInstrument)this.instrument).Symbol + " - Daily";
break;
case ChartTimeFrame.Week:
series = barSeries.Compress(604800L);
series.Name = ((FIXInstrument)this.instrument).Symbol + " - Weely";
break;
case ChartTimeFrame.Month:
series = barSeries.Compress(2419200L);
series.Name = ((FIXInstrument)this.instrument).Symbol + " - Monthly";
break;
case ChartTimeFrame.Year:
series = barSeries.Compress(29030400L);
series.Name = ((FIXInstrument)this.instrument).Symbol + " - Annual";
break;
}
this.UpdateMe(series);
}
/// <summary>
/// 按指定的 BarSize 生成新的 Bar，新的 BarSize 应该是原始 BarSize 的整数倍，这个函数可以正确的处理夜盘数据。
/// </summary>
/// <param name="series"></param>
/// <param name="inst"></param>
/// <param name="barSize"></param>
/// <returns></returns>
public static BarSeries TimeCompress(this BarSeries series, Instrument inst, long barSize)
{
if (series.Count == 0)
{
return(new BarSeries());
}
var bar = series[0];
if (barSize > bar.Size && barSize % bar.Size == 0)
{
return(Data.Compression.BarCompressor.GetCompressor(inst, bar.Size, barSize).Compress(new Data.Compression.BarDataEnumerator(series)));
}
return(series.Compress(barSize));
}
