Returns the handle of HNUserFilter object.

Syntax:

HANDLE __stdcall LbAdpGetUserFilter(HANDLE hLbAdp);

Parameters:

hLbAdp

[in] HNLBAdapter object handle.

Return values:

If the function succeeds the return value will be the HNUserFilter handle, otherwise the returned value will be NULL

Description:

Use this function to get BPF filter, which is set for the loopback adapter.

Please remember, that UserFilter must be used with UserFilterActive property.

UserFilter may be used in the Ethernet emulation mode only (see HNLBAdapter.EthEmulation[Get/Set]).