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IPin::QueryDirection method (strmif.h)

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The QueryDirection method gets the direction of the pin (input or output).

Syntax

HRESULT QueryDirection(
  [out] PIN_DIRECTION *pPinDir
);

Parameters

[out] pPinDir

Receives a member of the PIN_DIRECTION enumerated type.

Return value

Returns an HRESULT value. Possible values include the following.

Return code Description
S_OK
 Success.
E_POINTER
 NULL pointer argument.

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)
Library Strmiids.lib

See also

Error and Success Codes

IPin Interface