public IReadOnlyList<LockedSectionDefinition> GetSelectedLockedSections()

var surfaces = MapView.Active.GetSelectedIsosurfaces();
//set selected w/ MapView.Active.SelectVoxelIsosurface(isoSurface)
var slices = MapView.Active.GetSelectedSlices();
//set selected w/ MapView.Active.SelectVoxelSlice(slice)
var sections = MapView.Active.GetSelectedSections();
//set selected w/ MapView.Active.SelectVoxelSection(section)
var locked_sections = MapView.Active.GetSelectedLockedSections();
//set selected w/ MapView.Active.SelectVoxelLockedSection(locked_section)

//var voxelLayer = ... ;
//Must be on the QueuedTask.Run()

var locked_section = MapView.Active?.GetSelectedLockedSections()?.FirstOrDefault();
if (locked_section != null)
{

}

//var voxelLayer = ... ;
//Must be on the QueuedTask.Run()

VoxelLayer voxelLayer = null;
var locked_section = MapView.Active?.GetSelectedLockedSections()?.FirstOrDefault();
if (locked_section != null)
{
    voxelLayer = locked_section.Layer;
    //TODO - use the layer
}

//Must be on the 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);
}