private static void filterSelected(ILayer layer, IMapView2D view, IExtents worldBounds)
{
if (layer == null)
{
return;
}
FeatureLayer filterLayer = layer as FeatureLayer;
if (filterLayer != null)
{
if (layer.Enabled &&
filterLayer.AreFeaturesSelectable &&
layer.IsVisibleWhen(isInView(view.WorldWidth)))
{
SpatialBinaryExpression spatialExpression
= SpatialBinaryExpression.Intersects(new FeaturesCollectionExpression(filterLayer.Features),
new ExtentsExpression(worldBounds));
filterLayer.SelectedFilter = filterLayer.SelectedFilter == null
? new FeatureQueryExpression(new AllAttributesExpression(), spatialExpression, null)
: new FeatureQueryExpression(filterLayer.SelectedFilter, spatialExpression);
}
}
IEnumerable <ILayer> layers = layer as IEnumerable <ILayer>;
if (layers != null)
{
foreach (ILayer child in layers)
{
filterSelected(child, view, worldBounds);
}
}
}