IBaseFilter::QueryFilterInfo
Microsoft DirectShow 9.0 |
IBaseFilter::QueryFilterInfo
The QueryFilterInfo method retrieves information about the filter.
Syntax
HRESULT QueryFilterInfo( FILTER_INFO *pInfo );
Parameters
pInfo
[out] Pointer to a FILTER_INFO structure.
Return Values
Returns an HRESULT value. Possible values include the following.
Return code | Description |
S_OK | Success |
E_POINTER | Null pointer argument |
Remarks
This method fills the FILTER_INFO structure with the filter information. On return, if the pGraph member of the FILTER_INFO structure is non-NULL, the IFilterGraph interface has an outstanding reference count. Be sure to release the interface when you are done.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also