Metadatacopyenum _WNF_SUBSCRIPTION_STATE { WNF_SUB_STATE_QUIESCENT = 0,/* 0x0 */ WNF_SUB_STATE_READY_TO_DELIVER = 1,/* 0x1 */ WNF_SUB_STATE_IN_DELIVERY = 2,/* 0x2 */ WNF_SUB_STATE_RETRY = 3,/* 0x3 */};