SupplementaryInfo

KnownPropertyList.SupplementaryInfo field

包含有关传递状态通知的补充信息，如 [RFC3464] 中所指定。区域：Email 规范名称：PidTagSupplementaryInfo 替代名称：PR_SUPPLEMENTARY_INFO、ptagSupplementaryInfo

public static readonly PidTagPropertyDescriptor SupplementaryInfo;