private void pChart_MouseUp(object sender, MouseEventArgs e) { System.Windows.Forms.DataVisualization.Charting.HitTestResult result = pChart.HitTest(e.X, e.Y); int intLastSeriesIdx = pChart.Series.Count - 1; //Remove Previous Selection if (pChart.Series[intLastSeriesIdx].Name == "SelSeries") { pChart.Series.RemoveAt(intLastSeriesIdx); } if (result.ChartElementType == System.Windows.Forms.DataVisualization.Charting.ChartElementType.DataPoint) { //Brushing on Graph int index = result.PointIndex; double dblYValue = pChart.Series[0].Points[index].YValues[0] + pChart.Series[1].Points[index].YValues[0]; double dblSelYValue = pChart.Series[0].Points[index].YValues[0] + pChart.Series[1].Points[index].YValues[0] + pChart.Series[2].Points[index].YValues[0]; double dblXvalue = pChart.Series[1].Points[index].XValue; var Selseries1 = new System.Windows.Forms.DataVisualization.Charting.Series { Name = "SelSeries", Color = System.Drawing.Color.Cyan, BorderColor = System.Drawing.Color.Black, IsVisibleInLegend = false, //BackHatchStyle = ChartHatchStyle.DiagonalCross, ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Column, }; pChart.Series.Add(Selseries1); Selseries1.Points.AddXY(dblXvalue, dblSelYValue); string whereClause = strValueFldName + " = " + dblYValue.ToString(); //Brushing to ActiveView pSnippet.FeatureSelectionOnActiveView(whereClause, pActiveView, pFLayer); //Brushing to other graphs pSnippet.BrushingToOthers(pFLayer, this.Handle); } else { //Clear Selection Both Histogram and ActiveView //Remove Previous Selection intLastSeriesIdx = pChart.Series.Count - 1; if (pChart.Series[intLastSeriesIdx].Name == "SelSeries") { pChart.Series.RemoveAt(intLastSeriesIdx); } IFeatureSelection featureSelection = (IFeatureSelection)pFLayer; pActiveView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeoSelection, null, null); featureSelection.Clear(); pActiveView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeoSelection, null, null); //Brushing to other graphs pSnippet.BrushingToOthers(pFLayer, this.Handle); } }