public static void UpdateStatSeriesDefinition(this PriceVolumeChart chart, StockStat stat)
{
for (int i = 0; i < stat.DataCount; i++)
{
Series s = chart.GetSeries(stat.ChartSeriesName(i));
s.Color = stat.DataColor[i];
}
}
public static void AddPositionsAnnotations(this PriceVolumeChart chart, List <Position> positions)
{
chart.PVChartControl.Annotations.Clear();
foreach (var position in positions)
{
AddPositionAnnotation(chart, position);
}
}
public static void PrependStockStatData(this PriceVolumeChart chart, StockPricesData data, StockStat stat)
{
for (int i = 0; i < stat.DataCount; i++)
{
Series s = chart.GetSeries(stat.ChartSeriesName(i));
s.Points.Clear();
}
AppendStockStatData(chart, data, stat);
}
public static void PrependStockData(this PriceVolumeChart chart, StockPricesData data)
{
for (int i = 0; i < data.Length; i++)
{
chart.PricesCandles.Points.InsertXY(i, data.TS[i], data.H[i]);
chart.PricesCandles.Points[i].YValues[1] = data.L[i];
chart.PricesCandles.Points[i].YValues[2] = data.O[i];
chart.PricesCandles.Points[i].YValues[3] = data.C[i];
chart.PricesLine.Points.InsertXY(i, data.TS[i], data.C[i]);
chart.Volume.Points.InsertXY(i, data.TS[i], data.V[i]);
}
}
public static void AppendStockStatData(this PriceVolumeChart chart, StockPricesData data, StockStat stat)
{
for (int i = 0; i < stat.DataCount; i++)
{
Series s = chart.GetSeries(stat.ChartSeriesName(i));
float[] currdata = stat.Data(i);
int tsstartindex = data.Length - currdata.Length;
for (int j = 0; j < tsstartindex; j++)
{
int ix = s.Points.AddXY(data.TS[j], 0);
s.Points[ix].IsEmpty = true;
}
for (int j = 0; j < currdata.Length; j++)
{
s.Points.AddXY(data.TS[tsstartindex + j], currdata[j]);
}
}
}
private static void AddAnnotation(PriceVolumeChart chart, int imageIndex, PositionDir dir, DateTime ts)
{
DataPoint dataPoint = chart.PricesCandles.Points.FindByValue(ts.ToOADate(), "X");
if (dataPoint == null)
{
return;
}
ImageAnnotation annotation = new ImageAnnotation()
{
AnchorDataPoint = dataPoint,
AnchorY = dataPoint.YValues[PositionOpenCloseImages.AnnotationAnchorYValueIndex[dir][imageIndex]],
AnchorAlignment = PositionOpenCloseImages.AnnotationContentAlignment[dir][imageIndex],
Image = PositionOpenCloseImages.ImageName[dir][imageIndex],
AnchorOffsetY = 2
};
chart.PVChartControl.Annotations.Add(annotation);
}
public static void LoadStockData(this PriceVolumeChart chart, StockPricesData data)
{
ClearStockData(chart);
AppendStockData(chart, data);
}
public static void ClearStockData(this PriceVolumeChart chart)
{
chart.ClearAllSeriesData();
}
private static void AddPositionAnnotation(PriceVolumeChart chart, Position position)
{
AddAnnotation(chart, PositionOpenCloseImages.IndexOpen, position.Direction, position.TSOpen);
AddAnnotation(chart, PositionOpenCloseImages.IndexClose, position.Direction, position.TSClose);
}