This function retrieves information about the specified file.
BOOL GetFileInformationByHandle( HANDLE hFile, LPBY_HANDLE_FILE_INFORMATION lpFileInformation );
[in] Handle to the file about which you want to obtain information.
This handle should not be a pipe handle. This function does not operate with pipe handles.
[out] Pointer to a BY_HANDLE_FILE_INFORMATION structure that receives the file information. The structure can be used in subsequent calls to this function to refer to the information about the file.
Nonzero indicates success. Zero indicates failure. To get extended error information, call GetLastError.
Depending on the underlying network components of the OS and the type of server to which it is connected, this function can fail, return partial information, or full information for the specified file. In general, do not use this function unless your application runs on a limited set of OS configurations.