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| Microsoft DirectShow 9.0 |
CBasePin::ConnectedTo
The ConnectedTo method retrieves a pointer to the connected pin, if any. This method implements the IPin::ConnectedTo method.
Syntax
HRESULT ConnectedTo(
IPin **ppPin
);
Parameters
ppPin
Address of a variable that receives a pointer to the IPin interface of the other pin.
Return Value
Returns an HRESULT value. Possible values include those in the following table.
| Value | Description |
| S_OK | Success. |
| E_POINTER | NULL pointer argument. |
| VFW_E_NOT_CONNECTED | Pin is not connected. |
Remarks
If the method succeeds, the IPin interface that it returns has an outstanding reference count. Be sure to release it when you are done.
Requirements
** Header:** Declared in Amfilter.h; include Streams.h.
** Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).
See Also