Use FAdpSetMediumType to set the type of network adapter in format of which the packets are
dumped to the CAP file.
On a CAP file creation (see FAdpCreateFile) you
should predetermine HNFileAdapter.MediumType[Set] property:
its value will be stored in CAP file, that allows to detect data format for this CAP file off-line
processing.
The value of this property is defined by
HNNetAdapterType enumeration.