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CTransformFilter::CheckConnect

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Informs the derived class when the connection process is starting.

virtual HRESULT CheckConnect(
  PIN_DIRECTION dir,
  IPin* pPin 
);

Parameters

  • dir
    Direction of the pin.
  • pPin
    Pointer to the pin making the connection.

Return Values

Returns NOERROR by default. The overriding member function returns an HRESULT value.

Remarks

This member function is called by both CTransformInputPin::CheckConnect and CTransformOutputPin::CheckConnect. Override this member function to handle special cases in both input and output pin connections. Special cases might include querying (obtaining) other interfaces.

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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