public Task LoadAsync( 
   MapMember member,
   long oid
)

{
  // Loads a feature from the specified feature layer into an Inspector instance.
  // create an instance of the inspector class
  var inspector = new Inspector();
  // load the feature with ObjectID 'objectId' into the inspector
  await inspector.LoadAsync(featureLayer, objectId);
}

{
  // Loads the selected features into an Inspector instance.
  // get the first layer and its corresponding selected feature OIDs
  var firstSelectionSet = selectedFeatures.ToDictionary().First();
  // create an instance of the inspector class
  var inspector = new Inspector();
  // load the selected features into the inspector using a list of object IDs
  await inspector.LoadAsync(firstSelectionSet.Key, firstSelectionSet.Value);
}