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CBasePin::CheckConnect

  • Article

Allows for customization when the connection is first made (intended for overriding, if required).

virtual HRESULT CheckConnect(
  IPin* pPin
);

Parameters

  • pPin
    Pointer to the connecting pin.

Return Values

Returns one of the following arguments by default; if overridden, should return standard HRESULT values, including the following values.

Value Description
E_INVALIDARG Pin directions do not match between pins.
NOERROR Connection verified successfully.

Remarks

This member function is called during a call to the IPin::Connect method to provide a virtual method that can do any specific check required for a connection, such as calling CBasePin::NonDelegatingQueryInterface. This base class method determines if the pin directions match.

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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