public string VariableName {get;}

{
  // Note: call within QueuedTask.Run()
  {
    var locked_section = MapView.Active?.GetSelectedLockedSections()?.FirstOrDefault();
    if (locked_section != null)
    {
      var variable = locked_section.Layer.GetVariableProfile(locked_section.VariableName);
      locked_section.Layer.SetSelectedVariableProfile(variable);
    }
  }
}