[in] Максимальный размер пакета для записи в файл.
Return values:
If the function succeeds the return value will be the MaxPacketSize parameter value.
Description:
Use FAdpSetMaxPacketSize to get the maximal packet size for current CAP file.
To create a CAP file (see FAdpCreateFile) you should
predetermine maximal packet size for packet which will be written to this file. This size value
will be stored in CAP file for further off-line processing.