//var featSceneLayer = ...;
//var sname = featSceneLayer.Name;
await QueuedTask.Run(() =>
{
if (!featSceneLayer.HasAssociatedFeatureService)
return;//no search or select
//Select all features within the current map view
var sz = MapView.Active.GetViewSize();
var map_pt1 = MapView.Active.ClientToMap(new System.Windows.Point(0, sz.Height));
var map_pt2 = MapView.Active.ClientToMap(new System.Windows.Point(sz.Width, 0));
//Convert to an envelope
var temp_env = EnvelopeBuilderEx.CreateEnvelope(map_pt1, map_pt2, MapView.Active.Map.SpatialReference);
//Project if needed to the layer spatial ref
SpatialReference sr = null;
using (var fc = featSceneLayer.GetFeatureClass())
using (var fdef = fc.GetDefinition())
sr = fdef.GetSpatialReference();
var env = GeometryEngine.Instance.Project(temp_env, sr) as Envelope;
//Set up a query filter
var sf = new SpatialQueryFilter()
{
FilterGeometry = env,
SpatialRelationship = SpatialRelationship.Intersects,
SubFields = "*"
};
//Select against the feature service
var select = featSceneLayer.Select(sf);
if (select.GetCount() > 0)
{
//enumerate over the selected features
using (var rc = select.Search())
{
while (rc.MoveNext())
{
using (var feature = rc.Current as Feature)
{
var oid = feature.GetObjectID();
//etc.
}
}
}
}
MapView.Active.Map.ClearSelection();
});