private void OnCollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (!IsAddOrDelete(e.Action))
{
return;
}
if (e.NewItems != null)
{
foreach (AnnotationBase newAnnotation in e.NewItems)
{
newAnnotation.Style.FillColor = Color.Transparent;
_rectCache.Add(new AnnotationEx(Chart, newAnnotation, Helpers.GetRect(Chart, newAnnotation)));
}
}
if (e.OldItems != null)
{
HideContentEditor();
foreach (AnnotationBase oldAnnotation in e.OldItems)
{
var anno = _rectCache.First(a => a.annotation == oldAnnotation);
if (anno != null)
{
_rectCache.Remove(anno);
}
}
}
}
private void UpdateRectCache(AnnotationBase annoToUpdate)
{
var anno = _rectCache.First(a => a.annotation == annoToUpdate);
anno.BoundingRectangle = Helpers.GetRect(Chart, anno.annotation);
}