Metadatacopyenum _TP_CALLBACK_PRIORITY { TP_CALLBACK_PRIORITY_HIGH = 0,/* 0x0 */ TP_CALLBACK_PRIORITY_NORMAL = 1,/* 0x1 */ TP_CALLBACK_PRIORITY_LOW = 2,/* 0x2 */ TP_CALLBACK_PRIORITY_INVALID = 3,/* 0x3 */ TP_CALLBACK_PRIORITY_COUNT = 3,/* 0x3 */};