Microsoft DirectX 8.1 (C++) |
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
Address of a variable that 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.
See Also