private static void OnPointSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DataFollowChart chart = (DataFollowChart)d;
PointsGraphBase previous = e.OldValue as PointsGraphBase;
if (previous != null)
{
previous.VisiblePointsChanged -= chart.Source_VisiblePointsChanged;
}
PointsGraphBase current = e.NewValue as PointsGraphBase;
if (current != null)
{
current.ProvideVisiblePoints = true;
current.VisiblePointsChanged += chart.Source_VisiblePointsChanged;
if (current.VisiblePoints != null)
{
chart.searcher = new SortedXSearcher1d(current.VisiblePoints);
}
}
chart.UpdateUIRepresentation();
}
private static void OnMarkerTemplateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DataFollowChart chart = (DataFollowChart)d;
DataTemplate template = (DataTemplate)e.NewValue;
FrameworkElement marker;
if (template != null)
{
marker = (FrameworkElement)template.LoadContent();
}
else
{
marker = CreateDefaultMarker();
}
chart.Children.Remove(chart.marker);
chart.Marker = marker;
chart.Children.Add(marker);
}
private static void OnMarkerPositionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DataFollowChart chart = (DataFollowChart)d;
chart.MarkerPositionChanged.Raise(chart);
}