protected override void FillAxisData(int sampleSize) { // 如果图内点数未超过筛点个数,则使用移点实现 if (SamplesInChart + sampleSize <= Constants.MaxPointsInSingleSeries) { return; } if (SparseRatio == 1) { Parallel.FillNoneFitPlotData(ViewStartIndex); } else { Parallel.FillRangeFitPlotData(ViewStartIndex); } }