private void GenerateData()
{
WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, 200, new NRange1DD(50, 350));
double min = (double)m_Stock.LowValues[m_Stock.LowValues.FindMinValue()];
double max = (double)m_Stock.HighValues[m_Stock.HighValues.FindMaxValue()];
m_MinIndicator.Value = min;
m_MaxIndicator.Value = max;
int count = m_Stock.CloseValues.Count;
double sum = 0;
for (int i = 0; i < count; i++)
{
sum += (double)m_Stock.CloseValues[i];
}
if (count > 0)
{
m_AvgIndicator.Value = sum / count;
}
else
{
m_AvgIndicator.Value = 0;
}
}
private void GenerateData(NStockSeries stock)
{
const double initialPrice = 100;
const int numDataPoits = 50;
WebExamplesUtilities.GenerateOHLCData(stock, initialPrice, numDataPoits);
FillStockDates(stock, numDataPoits, new DateTime(2010, 1, 11));
}
private void GenerateData(NStockSeries stock, NAreaSeries volume, NLineSeries line)
{
WebExamplesUtilities.GenerateOHLCData(stock, prevCloseValue, numDataPoits);
FillStockDates(stock, numDataPoits, new DateTime(2010, 1, 11));
GenerateVolumeData(volume, prevVolumeValue, numDataPoits);
volume.XValues.Clear();
volume.XValues.AddRange(stock.XValues);
line.XValues.Clear();
line.XValues.AddRange(stock.XValues);
}
private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
{
long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));
WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, (int)count);
m_Stock.XValues.Clear();
DateTime dtNow = dtStart;
for (int i = 0; i < m_Stock.Values.Count; i++)
{
m_Stock.XValues.Add(dtNow.ToOADate());
dtNow = span.Add(dtNow);
}
}
private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
{
long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));
WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, (int)count);
m_Stock.XValues.Clear();
DateTime dtNow = dtStart;
for (int i = 0; i < m_Stock.Values.Count; i++)
{
m_Stock.XValues.Add(dtNow.ToOADate());
dtNow = span.Add(dtNow);
}
m_Chart.Axis(StandardAxis.PrimaryX).PagingView.Enabled = false;
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
CandleStyleDropDownList.Items.Add("Candle");
CandleStyleDropDownList.Items.Add("Stick");
CandleStyleDropDownList.SelectedIndex = 0;
}
const int nNumberOfWeeks = 20;
const int nWorkDaysInWeek = 5;
const int nTotalWorkDays = nNumberOfWeeks * nWorkDaysInWeek;
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set chart title
NLabel title = nChartControl1.Labels.AddHeader("Financial Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
// setup chart
NChart chart = nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
chart.Location = new NPointL(new NLength(5, NRelativeUnit.ParentPercentage), new NLength(12, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(new NLength(90, NRelativeUnit.ParentPercentage), new NLength(84, NRelativeUnit.ParentPercentage));
chart.Height = 30;
// setup y axis
NLinearScaleConfigurator scaleY = (NLinearScaleConfigurator)chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator;
scaleY.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
scaleY.MajorGridStyle.LineStyle.Color = Color.Gray;
scaleY.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
// add interlaced stripe
NScaleStripStyle stripStyle = new NScaleStripStyle(new NColorFillStyle(Color.Beige), null, true, 0, 0, 1, 1);
stripStyle.Interlaced = true;
stripStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleY.StripStyles.Add(stripStyle);
// setup X axis
NRangeTimelineScaleConfigurator scaleX = new NRangeTimelineScaleConfigurator();
scaleX.FirstRow.GridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.FirstRow.GridStyle.LineStyle = new NStrokeStyle(1, Color.FromArgb(225, 225, 225));
scaleX.FirstRow.UseGridStyle = true;
scaleX.SecondRow.GridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.SecondRow.GridStyle.LineStyle = new NStrokeStyle(1, Color.FromArgb(215, 215, 215));
scaleX.SecondRow.UseGridStyle = true;
scaleX.ThirdRow.GridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.ThirdRow.GridStyle.LineStyle = new NStrokeStyle(1, Color.FromArgb(205, 205, 205));
scaleX.ThirdRow.UseGridStyle = true;
// calendar
NWeekDayRule wdr = new NWeekDayRule(WeekDayBit.All);
wdr.Saturday = false;
wdr.Sunday = false;
scaleX.Calendar.Rules.Add(wdr);
scaleX.EnableCalendar = true;
// set configurator
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
// create a line series for the simple moving average
NLineSeries lineSMA = (NLineSeries)chart.Series.Add(SeriesType.Line);
lineSMA.Name = "SMA(20)";
lineSMA.Legend.TextStyle.FontStyle.EmSize = new NLength(8, NGraphicsUnit.Point);
lineSMA.DataLabelStyle.Visible = false;
lineSMA.BorderStyle.Color = Color.DarkOrange;
lineSMA.UseXValues = true;
// create the stock series
NStockSeries stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
stock.Name = "Stock Data";
stock.Legend.Mode = SeriesLegendMode.None;
stock.DataLabelStyle.Visible = false;
stock.CandleStyle = CandleStyle.Bar;
stock.CandleWidth = new NLength(2, NGraphicsUnit.Point);
stock.InflateMargins = true;
stock.UseXValues = true;
stock.UpFillStyle = new NColorFillStyle(Green);
stock.UpStrokeStyle.Color = Color.Black;
stock.DownFillStyle = new NColorFillStyle(DarkOrange);
stock.DownStrokeStyle.Color = Color.Black;
// add the bollinger bands as high low area
NHighLowSeries highLow = (NHighLowSeries)chart.Series.Add(SeriesType.HighLow);
highLow.Name = "BB(20, 2)";
highLow.Legend.TextStyle.FontStyle.EmSize = new NLength(8, NGraphicsUnit.Point);
highLow.DataLabelStyle.Visible = false;
highLow.HighFillStyle = new NColorFillStyle(Color.FromArgb(80, 130, 134, 168));
highLow.HighBorderStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
highLow.UseXValues = true;
// generate some stock data
WebExamplesUtilities.GenerateOHLCData(stock, 400, nTotalWorkDays + 20);
FillStockDates(stock, nTotalWorkDays + 20);
// create a function calculator
NFunctionCalculator fc = new NFunctionCalculator();
stock.CloseValues.Name = "close";
fc.Arguments.Add(stock.CloseValues);
// calculate the bollinger bands
fc.Expression = "BOLLINGER(close; 20; 2)";
highLow.HighValues = fc.Calculate();
fc.Expression = "BOLLINGER(close; 20; -2)";
highLow.LowValues = fc.Calculate();
// calculate the simple moving average
fc.Expression = "SMA(close; 20)";
lineSMA.Values = fc.Calculate();
// remove data that won't be charted
stock.HighValues.RemoveRange(0, 20);
stock.LowValues.RemoveRange(0, 20);
stock.OpenValues.RemoveRange(0, 20);
stock.CloseValues.RemoveRange(0, 20);
stock.XValues.RemoveRange(0, 20);
highLow.HighValues.RemoveRange(0, 20);
highLow.LowValues.RemoveRange(0, 20);
highLow.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineSMA.Values.RemoveRange(0, 20);
lineSMA.XValues = (NDataSeriesDouble)stock.XValues.Clone();
stock.CandleStyle = (CandleStyle)CandleStyleDropDownList.SelectedIndex;
lineSMA.Visible = SMACheckBox.Checked;
highLow.Visible = SBBCheckBox.Checked;
}
protected void Page_Load(object sender, EventArgs e)
{
NStockSeries stock;
if (!IsPostBack)
{
// set a chart title
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
NLabel title = nChartControl1.Labels.AddHeader("Stock Data Grouping");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
// no legend
nChartControl1.Legends.Clear();
// setup chart
NCartesianChart chart = (NCartesianChart)nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
NRangeSelection rs = new NRangeSelection();
rs.VerticalValueSnapper = new NAxisRulerMinMaxSnapper();
chart.RangeSelections.Add(rs);
// setup X axis
NValueTimelineScaleConfigurator scaleX = new NValueTimelineScaleConfigurator();
scaleX.FirstRow.GridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.FirstRow.GridStyle.LineStyle = new NStrokeStyle(1, Color.FromArgb(225, 225, 225));
scaleX.FirstRow.UseGridStyle = true;
scaleX.FirstRow.InnerTickStyle.Visible = false;
scaleX.SecondRow.GridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.SecondRow.GridStyle.LineStyle = new NStrokeStyle(1, Color.FromArgb(215, 215, 215));
scaleX.SecondRow.UseGridStyle = true;
scaleX.SecondRow.InnerTickStyle.Visible = false;
scaleX.ThirdRow.GridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.ThirdRow.GridStyle.LineStyle = new NStrokeStyle(1, Color.FromArgb(205, 205, 205));
scaleX.ThirdRow.UseGridStyle = true;
scaleX.ThirdRow.InnerTickStyle.Visible = false;
// calendar
NWeekDayRule wdr = new NWeekDayRule(WeekDayBit.All);
wdr.Saturday = false;
wdr.Sunday = false;
scaleX.Calendar.Rules.Add(wdr);
scaleX.EnableCalendar = true;
// set configurator
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
chart.Axis(StandardAxis.PrimaryX).ScrollBar.Visible = true;
// setup Y axis
NLinearScaleConfigurator scaleY = (NLinearScaleConfigurator)chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator;
scaleY.OuterMajorTickStyle.Length = new NLength(3, NGraphicsUnit.Point);
scaleY.InnerMajorTickStyle.Visible = false;
NFillStyle stripFill = new NColorFillStyle(Color.FromArgb(234, 233, 237));
NScaleStripStyle stripStyle = new NScaleStripStyle(stripFill, null, true, 1, 0, 1, 1);
stripStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
stripStyle.Interlaced = true;
scaleY.StripStyles.Add(stripStyle);
// setup stock series
stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
stock.DataLabelStyle.Visible = false;
stock.UpFillStyle = new NColorFillStyle(Color.White);
stock.UpStrokeStyle.Color = Color.Black;
stock.DownFillStyle = new NColorFillStyle(Color.Crimson);
stock.DownStrokeStyle.Color = Color.Crimson;
stock.HighLowStrokeStyle.Color = Color.Black;
stock.CandleWidth = new NLength(1.2f, NRelativeUnit.ParentPercentage);
stock.UseXValues = true;
stock.InflateMargins = true;
stock.DataLabelStyle.Format = "open - <open>\r\nclose - <close>";
// add some stock items
const int numDataPoints = 1000;
WebExamplesUtilities.GenerateOHLCData(stock, 100.0, numDataPoints, new NRange1DD(60, 140));
FillStockDates(stock, numDataPoints, DateTime.Now - new TimeSpan((int)(numDataPoints * 1.2), 0, 0, 0));
// apply layout
ApplyLayoutTemplate(0, nChartControl1, chart, title, null);
// update form controls
CustomDateTimeSpanDropDownList.Items.Add("1 Week");
CustomDateTimeSpanDropDownList.Items.Add("2 Weeks");
CustomDateTimeSpanDropDownList.Items.Add("1 Month");
CustomDateTimeSpanDropDownList.Items.Add("3 Months");
WebExamplesUtilities.FillComboWithEnumNames(GroupingModeDropDownList, typeof(StockGroupingMode));
CustomDateTimeSpanDropDownList.SelectedIndex = 2;
GroupingModeDropDownList.SelectedIndex = (int)StockGroupingMode.SynchronizeWithMajorTick;
WebExamplesUtilities.FillComboWithPercents(GroupPercendWidthDropDownList, 10);
GroupPercendWidthDropDownList.SelectedIndex = 2;
WebExamplesUtilities.FillComboWithValues(MinGroupDistanceDropDownList, 2, 20, 2);
MinGroupDistanceDropDownList.SelectedIndex = 2;
}
else
{
stock = (NStockSeries)nChartControl1.Charts[0].Series[0];
}
MinGroupDistanceDropDownList.Enabled = false;
CustomDateTimeSpanDropDownList.Enabled = false;
GroupPercendWidthDropDownList.Enabled = true;
switch (GroupingModeDropDownList.SelectedIndex)
{
case (int)StockGroupingMode.None:
stock.GroupingMode = StockGroupingMode.None;
GroupPercendWidthDropDownList.Enabled = false;
break;
case (int)StockGroupingMode.AutoDateTimeSpan:
stock.GroupingMode = StockGroupingMode.AutoDateTimeSpan;
MinGroupDistanceDropDownList.Enabled = true;
break;
case (int)StockGroupingMode.CustomDateTimeSpan:
stock.GroupingMode = StockGroupingMode.CustomDateTimeSpan;
CustomDateTimeSpanDropDownList.Enabled = true;
break;
case (int)StockGroupingMode.SynchronizeWithMajorTick:
stock.GroupingMode = StockGroupingMode.SynchronizeWithMajorTick;
break;
default:
break;
}
stock.MinAutoGroupLength = new NLength((float)MinGroupDistanceDropDownList.SelectedIndex * 2 + 2, NGraphicsUnit.Point);
switch (CustomDateTimeSpanDropDownList.SelectedIndex)
{
case 0: // 1 Week
stock.CustomGroupStep = new NDateTimeSpan(1, NDateTimeUnit.Week);
break;
case 1: // 2 Weeks
stock.CustomGroupStep = new NDateTimeSpan(2, NDateTimeUnit.Week);
break;
case 2: // 1 Month
stock.CustomGroupStep = new NDateTimeSpan(1, NDateTimeUnit.Month);
break;
case 3: // 3 Months
stock.CustomGroupStep = new NDateTimeSpan(3, NDateTimeUnit.Month);
break;
}
stock.GroupPercentWidth = (float)GroupPercendWidthDropDownList.SelectedIndex * 10;
}
