|Microsoft DirectX 9.0|
The GetFilterGraph method retrieves the Filter Graph Manager that is managed by the multimedia stream object.
HRESULT GetFilterGraph( IGraphBuilder **ppGraphBuilder );
[out] Address of a variable that receives an IGraphBuilder interface pointer. If there is no filter graph associated with the multimedia stream object, the returned pointer is NULL.
Returns an HRESULT value. Possible values include the following.
|E_POINTER||NULL pointer argument.|
If the method succeeds and *ppGraphBuilder is non-NULL, the caller must release the IGraphBuilder pointer.