private void OnItemSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (IBindingMapAnnotation item in e.NewItems)
{
Target.AddAnnotation(new BindingMKAnnotation(item));
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (IBindingMapAnnotation item in e.OldItems)
{
var oldItem = Target.Annotations.SingleOrDefault(x => (x is BindingMKAnnotation anno) && ReferenceEquals(anno.Annotation, item));
Target.RemoveAnnotation(oldItem);
}
break;
case NotifyCollectionChangedAction.Reset:
Target.UpdatePins();
break;
case NotifyCollectionChangedAction.Replace:
foreach (IBindingMapAnnotation item in e.OldItems)
{
var oldItem = Target.Annotations.SingleOrDefault(x => (x is BindingMKAnnotation anno) && ReferenceEquals(anno.Annotation, item));
Target.RemoveAnnotation(oldItem);
}
foreach (IBindingMapAnnotation item in e.NewItems)
{
Target.AddAnnotation(new BindingMKAnnotation(item));
}
break;
default:
Target.UpdatePins();
break;
}
}
private void OnItemSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (IBindingMapAnnotation item in e.NewItems)
{
Target.AddAnnotation(item);
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (IBindingMapAnnotation item in e.OldItems)
{
Target.RemoveAnnotation(item);
}
break;
case NotifyCollectionChangedAction.Reset:
Target.UpdateAnnotations();
break;
case NotifyCollectionChangedAction.Replace:
foreach (IBindingMapAnnotation item in e.OldItems)
{
Target.RemoveAnnotation(item);
}
foreach (IBindingMapAnnotation item in e.NewItems)
{
Target.AddAnnotation(item);
}
break;
default:
Target.UpdateAnnotations();
break;
}
}