private void BtnResetChart_Click(object sender, EventArgs e) { ChtChart.Series.Clear(); for (int index = 0; index < ClbCountries.Items.Count; index++) { ClbCountries.SetItemChecked(index, false); } }
private void AddRemoveChartSeries(int countryIndex) { string countryName = countries[countryIndex].Name; DataPoint dp; if (IsCountrySelected(countryIndex)) { ChtChart.Series.Remove(ChtChart.Series[countryName]); ClbCountries.SetItemChecked(countryIndex, false); } else { ChtChart.Series.Add(countryName); ChtChart.Series[countryName].ChartType = (SeriesChartType)ChartType[CboChartType.SelectedIndex]; switch (ChtChart.Series[countryName].ChartType) { case SeriesChartType.Line: ChtChart.Series[countryName].IsVisibleInLegend = false; break; default: ChtChart.Series[countryName].IsVisibleInLegend = true; break; } int totalCases = 0; int totalDeaths = 0; long population = countries[countryIndex].Population; for (int index = countries[countryIndex].CountryRecords.Count - 1; index >= 0; index--) { int cases = countries[countryIndex].CountryRecords[index].Cases; int deaths = countries[countryIndex].CountryRecords[index].Deaths; string date = countries[countryIndex].CountryRecords[index].Date; totalCases += cases; totalDeaths += deaths; double yAxisData = 0.0; string dataLabel = ""; switch ((ChartData)CboChartDataSet.SelectedIndex) { case ChartData.TotalCasesPerMillionPeople: yAxisData = (double)totalCases / ((double)population / 1000000); dataLabel = "Total Cases Per Million"; break; case ChartData.DailyCasesPerMillionPeople: yAxisData = (double)cases / ((double)population / 1000000); dataLabel = "Daily Cases Per Million"; break; case ChartData.TotalDeathsPerMillionPeople: yAxisData = (double)totalDeaths / ((double)population / 1000000); dataLabel = "Total Deaths Per Million"; break; case ChartData.DailyDeathsPerMillionPeople: yAxisData = (double)deaths / ((double)population / 1000000); dataLabel = "Daily Deaths Per Million"; break; case ChartData.TotalCasesByDay: dataLabel = "Total Cases By Day"; yAxisData = (double)totalCases; break; case ChartData.DailyCases: dataLabel = "Daily Cases"; yAxisData = (double)cases; break; case ChartData.TotalDeathsByDay: yAxisData = (double)totalDeaths; dataLabel = "Total Deaths Per By Day"; break; case ChartData.DailyDeaths: yAxisData = (double)deaths; dataLabel = "Daily Deaths"; break; } ChtChart.Titles[0].Text = dataLabel; dataLabel += ": " + string.Format("{0:#,0.#}", yAxisData); dp = new DataPoint(); dp.SetValueXY(date, yAxisData); dp.ToolTip = "Date: " + date + Environment.NewLine + dataLabel; ChtChart.Series[countryName].ToolTip = "#VALX, #VAL"; ChtChart.Series[countryName].Points.Add(dp); ChtChart.ChartAreas[0].AxisX.IsReversed = false; ChtChart.ChartAreas[0].AxisX.Title = "Date"; ChtChart.ChartAreas[0].AxisY.Title = "Amount"; } ChtChart.Series[countryName].Points[ChtChart.Series[countryName].Points.Count - 1].Label = countryName; ClbCountries.SetItemChecked(countryIndex, true); } }