static void OnIndicatorsChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
PriceChartElement thisPriceChartElement = obj as PriceChartElement;
if (thisPriceChartElement == null)
{
return;
}
ObservableCollection <OverlayIndicator> old_obsCollection = e.OldValue as ObservableCollection <OverlayIndicator>;
if (old_obsCollection != null)
{
old_obsCollection.CollectionChanged -= thisPriceChartElement.OnIndicatorsCollectionChanged;
foreach (OverlayIndicator indicator in old_obsCollection)
{
indicator.PropertyChanged -= thisPriceChartElement.OnIndicatorsCollectionItemChanged;
}
}
ObservableCollection <OverlayIndicator> new_obsCollection = e.NewValue as ObservableCollection <OverlayIndicator>;
if (new_obsCollection != null)
{
new_obsCollection.CollectionChanged += thisPriceChartElement.OnIndicatorsCollectionChanged;
foreach (OverlayIndicator indicator in new_obsCollection)
{
indicator.PropertyChanged += thisPriceChartElement.OnIndicatorsCollectionItemChanged;
}
}
}
private static object CoerceBearishCandleStroke(DependencyObject objWithOldDP, object newDPValue)
{
PriceChartElement thisElement = (PriceChartElement)objWithOldDP;
Brush newBrushValue = (Brush)newDPValue;
if (newBrushValue.IsFrozen)
{
Pen p = new Pen(newBrushValue, 1.0);
p.Freeze();
thisElement.bearishCandleStrokePen = p;
return(newDPValue);
}
else
{
Brush b = (Brush)newBrushValue.GetCurrentValueAsFrozen();
Pen p = new Pen(b, 1.0);
p.Freeze();
thisElement.bearishCandleStrokePen = p;
return(b);
}
}