public void Update(object sender, UpdateQuantificationItemEventArgs e) { var summary = e.Item as SilacQuantificationSummaryItem; if (summary == null) { throw new ArgumentNullException("UpdateQuantificationItemEventArgs.Item cannot be null"); } var pplRed = new PointPairList(); var pplGreen = new PointPairList(); var enabled = summary.ObservedEnvelopes.FindAll(m => m.Enabled); enabled.ForEach(m => { PointPairList ppl = m.IsSelected ? pplGreen : pplRed; if (summary.SampleIsLight) { ppl.Add(new PointPair(m.HeavyIntensity, m.LightIntensity, 0.0, m)); } else { ppl.Add(new PointPair(m.LightIntensity, m.HeavyIntensity, 0.0, m)); } }); ZedGraphicExtension.ClearData(this.zgcGraph, false); AddCurve(pplGreen, SilacQuantificationConstants.REFERENCE_COLOR); AddCurve(pplRed, SilacQuantificationConstants.SAMPLE_COLOR); var pplTotal = new PointPairList(); pplTotal.AddRange(pplRed); pplTotal.AddRange(pplGreen); if (pplTotal.Count > 0) { PointPairList line = ZedGraphicExtension.GetRegressionLine(pplTotal, summary.Ratio); ZedGraphicExtension.AddDataToLine(this.zgcGraph, MyConvert.Format("Ratio = {0:0.0000}, Correlation = {1:0.0000}", summary.Ratio, summary.RegressionCorrelation), line, SilacQuantificationConstants.IDENTIFIED_COLOR, false); } ZedGraphicExtension.UpdateGraph(this.zgcGraph); }