public Guid GetCurrentRootMapUid()
{
Guid rootMapId = Guid.Empty;
if (_superGraphControl.Ref.SuperGraphController != null)
{
if (_superGraphControl.Ref.SuperGraphController.Context.Proxy.RootMapId.HasValue)
{
rootMapId = _superGraphControl.Ref.SuperGraphController.Context.Proxy.RootMapId.Value;
}
}
return rootMapId;
}