public void Transform( 
   SelectionSet features,
   TransformMethod transformMethod
)

// Transforms features from a source layer to a target layer using a specified transformation method.
await QueuedTask.Run(() =>
  {
    //Transform features using EditOperation.Transform overloads
    var transformFeatures = new EditOperation() { Name = "Transform Features" };

    //Transform a selected set of features
    ////Perform an affine transformation
    //transformFeatures.TransformAffine(featureLayer, linkLayer);
    var affine_transform = new TransformByLinkLayer()
    {
      LinkLayer = linkLayer,
      TransformType = TransformMethodType.Affine //TransformMethodType.Similarity
    };
    //Transform a selected set of features
    transformFeatures.Transform(MapView.Active.GetFeatures(polygon), affine_transform);
    //Perform an affine transformation
    transformFeatures.Transform(featureLayer, affine_transform);
    //Execute to execute the operation
    //Must be called within QueuedTask.Run
    if (!transformFeatures.IsEmpty)
    {
      //Execute and ExecuteAsync will return true if the operation was successful and false if not
      var result = transformFeatures.Execute();
      //or use async flavor
      //await transformFeatures.ExecuteAsync();
    }
  });