Microsoft changed the WIN32_FIND_DATA declaration and added 3 new properties

The current microsoft docmentation shows the following declaration for the WIN32_FIND_DATA structure:

typedef struct _WIN32_FIND_DATAA { DWORD dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime; FILETIME ftLastWriteTime; DWORD nFileSizeHigh; DWORD nFileSizeLow; DWORD dwReserved0; DWORD dwReserved1; CHAR cFileName[MAX_PATH]; CHAR cAlternateFileName[14]; DWORD dwFileType; DWORD dwCreatorType; WORD wFinderFlags;
} WIN32_FIND_DATAA, *PWIN32_FIND_DATAA, *LPWIN32_FIND_DATAA;

My personal knowledge of the declaration is:

typedef struct _WIN32_FIND_DATA { DWORD dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime; FILETIME ftLastWriteTime; DWORD nFileSizeHigh; DWORD nFileSizeLow; DWORD dwReserved0; DWORD dwReserved1; TCHAR cFileName[MAX_PATH]; TCHAR cAlternateFileName[14];
} WIN32_FIND_DATA, *PWIN32_FIND_DATA, *LPWIN32_FIND_DATA;

Microsoft added these 3 new properties:

 DWORD dwFileType; DWORD dwCreatorType; WORD wFinderFlags;

The current Microsoft documentation don't have any description for these properties.

Does anyone have some information about the new properties?

Some other questions:

• Which declaration should a dev use now? The old or new style?
• What about the backward compatibility with older Windows versions?

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