private void RecalculateCanExecute(object obj = null)
{
this.CanExecute = SelectedResults != null &&
!string.IsNullOrWhiteSpace(this.env1) &&
!string.IsNullOrWhiteSpace(this.env2) &&
SelectedResults.Any(_ => !_.IsActioned()) &&
additionalCriteriaOnSelectedResults(this.SelectedResults);
}