CTransformFilter::CTransformFilter

Constructs a CTransformFilter object.

CTransformFilter(
  TCHAR *pObjectName,
  LPUNKNOWN lpUnk,
  CLSID clsid 
);

Parameters

• pObjectName
  Name given to the CTransformFilter object.
• lpUnk
  Pointer to LPUNKNOWN.
• clsid
  Class identifier of the CTransformFilter class.

Return Values

None.

Remarks

The constructor of the derived class calls this member function. The pin objects are not created at this time; they are created when calling the CTransformFilter::GetPin member function. Thus the pins (m_pInput and m_pOutput) cannot be referred to in the constructor unless GetPin is first called. (An external object can find pins only by enumerating them or by calling IBaseFilter::FindPin. These each call GetPin, so the pins are, in fact, created as soon as they are needed.)

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

© 2005 Microsoft Corporation. All rights reserved.