`TNullMemoFile`

`TMemoFile`
		DbfVersion
		MemoRecordSize

`TPagedFile`
pt		VirtualLocks
	ro	Active
		AutoCreate
		Mode
	ro	TempMode
	ro	NeedLocks
		HeaderOffset
		HeaderSize
		RecordSize
		PageSize
	ro	PagesPerRecord
		RecordCount
	ro	CachedRecordCount
		PageOffsetByHeader
	ro	FileLocked
	ro	Header
		FileName
		Stream
		BufferAhead
	ro	WriteError
		UseAutoInc