|Microsoft DirectX 9.0|
The FindPin method retrieves the pin with the specified identifier. This method implements the IBaseFilter::FindPin method.
HRESULT FindPin( LPCWSTR Id, IPin **ppPin );
Pointer to a null-terminated string that identifies the pin.
Address of a variable that receives a pointer to the pin's IPin interface. If the method fails, *ppPin is set to NULL
Returns one of the HRESULT values shown in the following table.
|E_POINTER||NULL pointer argument.|
|VFW_E_NOT_FOUND||Could not find a pin with this identifier.|
The first pin is always named "1"; the second pin is named "2"; and so forth. For more information, see CSourceStream::QueryId.