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CBasePin::QueryId

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Microsoft DirectShow 9.0

CBasePin::QueryId

The QueryId method retrieves the pin identifier. This method implements the IPin::QueryId method.

Syntax

  HRESULT QueryId(
    LPWSTR *Id
);

Parameters

Id

Pointer to the pin identifier.

Return Value

Returns an HRESULT value. Possible values include those in the following table.

Value Description
S_OK Success.
E_OUTOFMEMORY Insufficient memory.
E_POINTER Null pointer argument.

Remarks

This method returns a copy of the CBasePin::m_pName member variable.

Requirements

**  Header:** Declared in Amfilter.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also