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CRendererInputPin::QueryId

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Microsoft DirectShow 9.0

CRendererInputPin::QueryId

The QueryId method retrieves the pin identifier. This method overrides the CBasePin::QueryId method.

Syntax

  HRESULT QueryId(
    LPWSTR *Id
);

Parameters

Id

Receives a string containing the pin identifier.

Return Value

Returns one of the HRESULT values shown in the following table.

Value Description
S_OK Success
E_OUTOFMEMORY Insufficient memory
E_POINTER NULL pointer argument

Remarks

This method allocates the wide-character string "In" and assigns it to the Id parameter. The caller must free the allocated memory, using the CoTaskMemFree function.

Requirements

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

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

See Also