public void SetPerson(Person person, int cellActionTag, int faceIndex) { ImageView.Tag = cellActionTag; //keep track of the person this imageview is for - used in longPressAction if (person.Faces?.Count > 0) { var face = person.Faces? [faceIndex]; if (face != null) { TextView.Text = $"Face #{faceIndex + 1}"; ImageView.Image = face.GetThumbnailImage(); ImageView.RemoveBorder(); } } else { ImageView.Image = null; ImageView.AddBorder(UIColor.Red, 2); } }