protected override void DrawPath(SeriesBase series, Brush brush, double strokeThickness)
{
if (series is LineSeries || series is HiLoSeries)
{
PartsCollection partsCollection = new PartsCollection();
if (series is LineSeries)
{
LineSeries lineSeries = series as LineSeries;
partsCollection = lineSeries.Parts;
}
else if (series is HiLoSeries)
{
HiLoSeries lineSeries = series as HiLoSeries;
partsCollection = lineSeries.Parts;
}
if (RenderingMode == RenderingMode.Default)
{
for (int i = 0; i < partsCollection.Count; i++)
{
UIElement element = partsCollection[i].CreatePart();
if (element != null)
{
PartsCanvas.Children.Add(element);
}
}
}
}
}
private void OnComboBoxSelectionChanged(object sender, SelectionChangedEventArgs e)
{
ComboBox comboBox = sender as ComboBox;
if (comboBox.SelectedIndex == 1 && financialChart != null)
{
HiLoSeries hiLoSeries = new HiLoSeries();
hiLoSeries.XBindingPath = "Date";
hiLoSeries.High = "High";
hiLoSeries.Low = "Low";
hiLoSeries.ItemsSource = hiLowChart.StockPriceDetails;
hiLoSeries.VisibilityOnLegend = Visibility.Collapsed;
financialChart.PrimaryAxis.ZoomFactor = 1;
financialChart.PrimaryAxis.PlotOffset = 10;
financialChart.SecondaryAxis.ZoomFactor = 1;
financialChart.Series.Clear();
financialChart.Series.Add(hiLoSeries);
}
else if (comboBox.SelectedIndex == 0 && financialChart != null)
{
HiLoOpenCloseSeries hiLoOpenClose = new HiLoOpenCloseSeries();
hiLoOpenClose.XBindingPath = "Date";
hiLoOpenClose.High = "High";
hiLoOpenClose.Low = "Low";
hiLoOpenClose.Open = "Open";
hiLoOpenClose.Close = "Close";
hiLoOpenClose.ItemsSource = hiLowChart.StockPriceDetails;
hiLoOpenClose.VisibilityOnLegend = Visibility.Collapsed;
financialChart.Series.Clear();
financialChart.PrimaryAxis.ZoomFactor = 1;
financialChart.SecondaryAxis.ZoomFactor = 1;
financialChart.Series.Add(hiLoOpenClose);
}
else if (comboBox.SelectedIndex == 2 && financialChart != null)
{
CandleSeries chartSeries = new CandleSeries();
chartSeries.XBindingPath = "Date";
chartSeries.High = "High";
chartSeries.Low = "Low";
chartSeries.Open = "Open";
chartSeries.Close = "Close";
chartSeries.ItemsSource = hiLowChart.StockPriceDetails;
chartSeries.BearFillColor = new SolidColorBrush(Colors.Red);
chartSeries.BullFillColor = new SolidColorBrush(Colors.Green);
chartSeries.VisibilityOnLegend = Visibility.Collapsed;
financialChart.Series.Clear();
financialChart.PrimaryAxis.ZoomFactor = 1;
financialChart.SecondaryAxis.ZoomFactor = 1;
financialChart.Series.Add(chartSeries);
}
}
override protected void DrawPath(SeriesBase series, System.Drawing.Pen pen)
{
if (series is LineSeries || series is HiLoSeries || series is HiLoOpenCloseSeries)
{
var points = new PointCollection();
var lowPoints = new PointCollection();
var pointCount = 0;
PartsCollection partsCollection = new PartsCollection();
if (series is LineSeries)
{
LineSeries lineSeries = series as LineSeries;
points = lineSeries.LinePoints;
pointCount = lineSeries.LinePoints.Count;
partsCollection = lineSeries.Parts;
}
else if (series is HiLoSeries)
{
HiLoSeries lineSeries = series as HiLoSeries;
points = lineSeries.HighPoints;
lowPoints = lineSeries.LowPoints;
pointCount = lineSeries.HighPoints.Count;
partsCollection = lineSeries.Parts;
}
else if (series is HiLoOpenCloseSeries)
{
HiLoOpenCloseSeries lineSeries = series as HiLoOpenCloseSeries;
points = lineSeries.HighPoints;
lowPoints = lineSeries.LowPoints;
pointCount = lineSeries.HighPoints.Count;
partsCollection = lineSeries.Parts;
}
if (RenderingMode == RenderingMode.Default)
{
for (int i = 0; i < partsCollection.Count; i++)
{
UIElement renderElement = partsCollection[i].CreatePart();
if (renderElement != null && !PartsCanvas.Children.Contains(renderElement))
{
PartsCanvas.Children.Add(renderElement);
}
}
}
else
{
if (series is LineSeries)
{
for (int i = 0; i < pointCount - 1; i++)
{
switch (RenderingMode)
{
case RenderingMode.GDIRendering:
GDIGraphics.DrawLine(pen, points[i].AsDrawingPointF(), points[i + 1].AsDrawingPointF());
break;
case RenderingMode.Default:
break;
case RenderingMode.WritableBitmap:
this.WritableBitmap.Lock();
WritableBitmapGraphics.DrawLine(pen, points[i].AsDrawingPointF(), points[i + 1].AsDrawingPointF());
this.WritableBitmap.Unlock();
break;
default:
break;
}
}
}
else
{
for (int i = 0; i < pointCount; i++)
{
switch (RenderingMode)
{
case RenderingMode.GDIRendering:
GDIGraphics.DrawLine(pen, points[i].AsDrawingPointF(), lowPoints[i].AsDrawingPointF());
break;
case RenderingMode.Default:
break;
case RenderingMode.WritableBitmap:
this.WritableBitmap.Lock();
WritableBitmapGraphics.DrawLine(pen, points[i].AsDrawingPointF(), lowPoints[i].AsDrawingPointF());
this.WritableBitmap.Unlock();
break;
default:
break;
}
}
}
this.Collection.InvalidateBitmap();
}
}
}
