IGraphConfig::AddFilterToCache
| Microsoft DirectShow 9.0 |
IGraphConfig::AddFilterToCache
The AddFilterToCache method adds a filter to the filter cache.
Syntax
HRESULT AddFilterToCache( IBaseFilter *pFilter );
Parameters
pFilter
[in] Pointer to the IBaseFilter interface of the filter.
Return Values
Returns one of the following HRESULT values.
| Return code | Description |
| E_FAIL | Failure. |
| E_POINTER | Null pointer argument. |
| S_FALSE | Filter is already in the cache. |
| S_OK | Filter was added to the cache. |
Remarks
You must disconnect all of the filter's pins before calling this method, or the method will fail. If the filter is in the filter graph, this method will remove it. This method will also put the filter into a stopped state, if it is not already.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also