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IPin::ConnectedTo

 
Microsoft DirectShow 9.0

IPin::ConnectedTo

The ConnectedTo method retrieves a pointer to the connected pin, if any.

Syntax

  HRESULT ConnectedTo(
  IPin **ppPin
);

Parameters

ppPin

[out] Receives a pointer to the IPin interface of the other pin. The caller must release the interface. This parameter cannot be NULL.

Return Value

Returns an HRESULT value. Possible values include the following.

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 Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also