FolderUserFields 流 结构 由 FolderUserFieldsA 结构 或 FolderUserFieldsA 结构 组成 , 其后 跟 FolderUserFieldsW 结构 。

A FolderUserFields stream structure consists of either a FolderUserFieldsA structure or a FolderUserFieldsA structure followed by a FolderUserFieldsW structure .
