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CBasePin::ConnectedTo

  • Artículo
 
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