public static CandleTimeSeriesPlotInfo Create(
CandleTimeSeries series = null,
Color?increasingColor = null,
Color?decreasingColor = null,
string title = null,
Color?backgroundColor = null,
bool positiveCandlesHollow = true)
{
CandleTimeSeriesPlotInfo info = new CandleTimeSeriesPlotInfo
{
Series = series,
IncreasingColor = increasingColor
?? Color.Black,
DecreasingColor = decreasingColor
?? Color.Red,
BackgroundColor = backgroundColor
?? Color.White,
PositiveCandlesHollow = positiveCandlesHollow,
};
if (!string.IsNullOrEmpty(title))
{
info.Title = title;
}
else
{
string alternativeTitle = series?.Name;
info.Title = string.IsNullOrEmpty(alternativeTitle)
? "NO NAME"
: alternativeTitle;
}
return(info);
}
public static void Plot(CandleTimeSeriesPlotInfo info)
{
PlotView view = GetPlotView(info);
Form form = new Form();
form.Controls.Add(view);
form.ShowDialog();
}
public static PlotView GetPlotView(CandleTimeSeriesPlotInfo info
, Action <object, AxisChangedEventArgs> onAxisChangedMethod = null)
{
List <HighLowItem> items = info.Series.Candles
.OrderBy(candle => candle.Start)
.Select(candle => new HighLowItem()
{
X = DateTimeAxis.ToDouble(candle.Start),
Open = candle.Open,
Close = candle.Close,
High = candle.Max,
Low = candle.Min,
})
.ToList();
CandleStickSeries series = new CandleStickSeries
{
RenderInLegend = true,
Title = info.Title,
Background = OxyColor.FromArgb(
info.BackgroundColor.A,
info.BackgroundColor.R,
info.BackgroundColor.G,
info.BackgroundColor.B),
//CandleWidth = info.CandleWidth,
IsVisible = true,
DecreasingColor = OxyColor.FromArgb(
info.DecreasingColor.A,
info.DecreasingColor.R,
info.DecreasingColor.G,
info.DecreasingColor.B),
IncreasingColor = OxyColor.FromArgb(
info.IncreasingColor.A,
info.IncreasingColor.R,
info.IncreasingColor.G,
info.IncreasingColor.B),
Color = OxyColor.FromArgb(
info.BackgroundColor.A,
info.BackgroundColor.R,
info.BackgroundColor.G,
info.BackgroundColor.B),
ItemsSource = items,
//Hollow = info.PositiveCandlesHollow,
};
PlotModel model = new PlotModel();
model.Axes.Clear();
DateTimeAxis timeAxis = new DateTimeAxis();
if (onAxisChangedMethod != null)
{
timeAxis.AxisChanged += onAxisChangedMethod.Invoke;
}
model.Axes.Add(timeAxis);
model.Series.Clear();
model.Series.Add(series);
PlotView view = new PlotView
{
Model = model,
Dock = DockStyle.Fill,
};
return(view);
}
