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GetFileVersionInfo info  Overview  Group

The GetFileVersionInfo function returns version information about a specified file.

As with other file installation functions, GetFileVersionInfo works only with Win32 file images. It does not work with 16-bit Windows file images.

BOOL GetFileVersionInfo(

    LPTSTR lptstrFilename,

// pointer to filename string

    DWORD dwHandle,

// ignored

    DWORD dwLen,

// size of buffer

    LPVOID lpData 

// pointer to buffer to receive file-version info.

   );

Parameters

lptstrFilename
Pointer to a null-terminated filename string that specifies the file of interest.
dwHandle
This parameter is ignored.
dwLen
Specifies the size, in bytes, of the buffer pointed to by the lpData member.

Call the GetFileVersionInfoSize function first to determine the size, in bytes, of a file’s version information. The dwLen member should be equal to or greater than that value.

If the buffer pointed to by lpData is not large enough, the function truncates the file’s version information to the size of the buffer.

lpData
Pointer to a buffer to receive file-version information.

You can use this value in a subsequent call to the VerQueryValue function to retrieve data from the buffer.

The file version information is always in Unicode format.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

Call the GetFileVersionInfoSize function before calling the GetFileVersionInfo function. The file-version information has the format indicated by the VS_VERSION_INFO structure.

See Also

GetFileVersionInfoSize, VerQueryValue, VS_VERSION_INFO 


file: /Techref/os/win/api/win32/func/src/f32_4.htm, 3KB, , updated: 2000/4/7 12:19, local time: 2022/5/26 00:55,
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