IFWXSession::AttachFilter Method

Causes a filter to be loaded for this session even if the initial event for this filter did not yet happen. If the filter has already attached a session filter for this session, nothing happens; otherwise, the filter's IFWXFilter::AttachToSession method is called.

HRESULT AttachFilter(
  REFCLSID guidFilter
);

Parameters

guidFilter

[in] CLSID of the filter to load.

Return Values

S_OK

The method succeeded.

REGDB_E_CLASSNOTREG

The GUID does not represent a valid filter.