CTransformInputPin::QueryId

  • 项目

Retrieves an identifier for the pin.

HRESULT QueryId(
  LPWSTR* Id 
);

Parameters

  • Id
    Pin identifier.

Return Values

Returns an HRESULT value.

Remarks

This member function implements the IPin::QueryId method and overrides the CBasePin::QueryId member function. It returns the name "In". The caller is responsible for freeing the memory by using the Win32 CoTaskMemFree function.

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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