private void FinancialMarkerCombo_SelectedIndexChanged(object sender, System.EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NStockSeries stock = (NStockSeries)chart.Series[chart.Series.Count - 1];
NLineStudy lineStudy = null;
Color lineColor = Color.Crimson;
switch (FinancialMarkerCombo.SelectedIndex)
{
case 0:
lineStudy = new NFibonacciArcs();
TrendlineModeCombo.Enabled = false;
break;
case 1:
lineStudy = new NFibonacciFans();
TrendlineModeCombo.Enabled = true;
break;
case 2:
lineStudy = new NFibonacciRetracements();
((NFibonacciRetracements)lineStudy).RetracementsStrokeStyle.Color = lineColor;
TrendlineModeCombo.Enabled = true;
break;
case 3:
lineStudy = new NSpeedResistanceLines();
TrendlineModeCombo.Enabled = true;
break;
case 4:
lineStudy = new NQuadrantLines();
((NQuadrantLines)lineStudy).CentralLineStrokeStyle.Color = lineColor;
TrendlineModeCombo.Enabled = false;
break;
case 5:
lineStudy = new NTrendLine();
TrendlineModeCombo.Enabled = true;
break;
default:
return;
}
UpdateLineStudyAnchor(stock, lineStudy);
// set the primary line color
lineStudy.StrokeStyle.Color = lineColor;
InsertFinancialMarker(chart, lineStudy);
SetTextVisibility();
lineStudy.TrendLineMode = (TrendLineMode)TrendlineModeCombo.SelectedIndex;
nChartControl1.Refresh();
}
protected void Page_Load(object sender, System.EventArgs e)
{
if (!IsPostBack)
{
LineStudyDropDownList.Items.Add("Fibonacci Arcs");
LineStudyDropDownList.Items.Add("Fibonacci Fans");
LineStudyDropDownList.Items.Add("Fibonacci Retracements");
LineStudyDropDownList.Items.Add("Speed Resistance Lines");
LineStudyDropDownList.Items.Add("Quadrant Lines");
LineStudyDropDownList.Items.Add("Trend Line");
WebExamplesUtilities.FillComboWithEnumValues(TrendlineModeDropDownList, typeof(TrendLineMode));
// form controls
LineStudyDropDownList.SelectedIndex = 0;
TrendlineModeDropDownList.SelectedIndex = 1;
}
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set a chart title
NLabel title = new NLabel();
title.Text = "Line Studies - " + LineStudyDropDownList.SelectedItem.Text;
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
nChartControl1.Panels.Add(title);
// no legend
nChartControl1.Legends.Clear();
// setup chart
NChart chart = nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
// setup X axis
NAxis axis = chart.Axis(StandardAxis.PrimaryX);
NDateTimeScaleConfigurator timeScaleConfigurator = new NDateTimeScaleConfigurator();
axis.ScaleConfigurator = timeScaleConfigurator;
timeScaleConfigurator.EnableUnitSensitiveFormatting = false;
timeScaleConfigurator.LabelValueFormatter = new NDateTimeValueFormatter("MMM yy");
timeScaleConfigurator.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
timeScaleConfigurator.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
timeScaleConfigurator.InnerMajorTickStyle.LineStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
timeScaleConfigurator.RoundToTickMin = false;
timeScaleConfigurator.RoundToTickMax = false;
timeScaleConfigurator.LabelGenerationMode = LabelGenerationMode.SingleLevel;
// setup Y axis
axis = chart.Axis(StandardAxis.PrimaryY);
NLinearScaleConfigurator linearScaleConfigurator = (NLinearScaleConfigurator)axis.ScaleConfigurator;
linearScaleConfigurator.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScaleConfigurator.MajorGridStyle.SetShowAtWall(ChartWallType.Left, false);
linearScaleConfigurator.InnerMajorTickStyle.LineStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
// add interlaced stripe
NScaleStripStyle stripStyle = new NScaleStripStyle(new NColorFillStyle(Color.Beige), null, true, 0, 0, 1, 1);
stripStyle.Interlaced = true;
stripStyle.SetShowAtWall(ChartWallType.Back, true);
linearScaleConfigurator.StripStyles.Add(stripStyle);
Color customColor = Color.FromArgb(150, 150, 200);
// setup the stock series
NStockSeries stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
stock.DataLabelStyle.Visible = false;
stock.CandleStyle = CandleStyle.Bar;
stock.CandleWidth = new NLength(0.3f, NRelativeUnit.ParentPercentage);
stock.HighLowStrokeStyle.Color = customColor;
stock.UpStrokeStyle.Width = new NLength(0);
stock.DownStrokeStyle.Width = new NLength(0);
stock.UpFillStyle = new NColorFillStyle(Color.LightGreen);
stock.DownFillStyle = new NColorFillStyle(customColor);
stock.UseXValues = true;
stock.InflateMargins = true;
GenerateData(stock);
// apply layout
ApplyLayoutTemplate(0, nChartControl1, chart, title, null);
// create line study
NLineStudy lineStudy = null;
Color lineColor = Color.Crimson;
switch (LineStudyDropDownList.SelectedIndex)
{
case 0:
lineStudy = new NFibonacciArcs();
break;
case 1:
lineStudy = new NFibonacciFans();
break;
case 2:
lineStudy = new NFibonacciRetracements();
((NFibonacciRetracements)lineStudy).RetracementsStrokeStyle.Color = lineColor;
break;
case 3:
lineStudy = new NSpeedResistanceLines();
break;
case 4:
lineStudy = new NQuadrantLines();
((NQuadrantLines)lineStudy).CentralLineStrokeStyle.Color = lineColor;
break;
case 5:
lineStudy = new NTrendLine();
break;
default:
return;
}
// attach the line study to the stock series
lineStudy.BeginPoint = GetLowPointFromStock(stock, 20);
lineStudy.EndPoint = GetHighPointFromStock(stock, 80);
// set the primary line color
lineStudy.StrokeStyle.Color = lineColor;
InsertFinancialMarker(chart, lineStudy);
TrendlineModeDropDownList.Enabled = lineStudy is NTrendLine;
// set trend line mode
NTrendLine trend = chart.Series[0] as NTrendLine;
lineStudy.TrendLineMode = (TrendLineMode)TrendlineModeDropDownList.SelectedIndex;
// set text visibility
lineStudy.ShowTexts = ShowTextsCheckBox.Checked;
}