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CBasePin::QueryDirection

  • Article

Retrieves the direction of the pin.

HRESULT QueryDirection(
  PIN_DIRECTION* pPinDir
);

Parameters

  • pPinDir
    Pointer to a PIN_DIRECTION structure to be filled in with the direction.

Return Values

Returns an HRESULT value.

Remarks

This member function implements the IPin::QueryDirection method. pPinDir will contain PINDIR_INPUT or PINDIR_OUTPUT. The same information is available through the CBasePin::QueryPinInfo member function, but this member function is more efficient.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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Last updated on Wednesday, April 13, 2005

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