この大作の完成を願えども余命とぼしきを如何せん。I had hoped to finish writing this novel, but I'm afraid I have little time left.
貧窮なるを如何せん。I am poor, so what can I do?
In the sentences above is ヲ used as a conjunctive particle (㊁1 here) or case particle (with an implied nominalizer)? (Sentences and translations are taken from a dictionary)