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| Microsoft DirectShow 9.0 |
CSource::FindPin
The FindPin method retrieves the pin with the specified identifier. This method implements the IBaseFilter::FindPin method.
Syntax
HRESULT FindPin(
LPCWSTR Id,
IPin **ppPin
);
Parameters
Id
Pointer to a null-terminated string that identifies the pin.
ppPin
Receives a pointer to the pin's IPin interface. If the method fails, *ppPin is set to NULL
Return Value
Returns one of the HRESULT values shown in the following table.
| Value | Description |
| S_OK | Success. |
| E_POINTER | NULL pointer argument. |
| VFW_E_NOT_FOUND | Could not find a pin with this identifier. |
Remarks
The first pin is always named "1"; the second pin is named "2"; and so forth. For more information, see CSourceStream::QueryId.
Requirements
** Header:** Declared in Source.h; include Streams.h.
** Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).
See Also