CBasePin::Active (Windows CE 5.0)

Send Feedback

Called by the CBaseFilter implementation when the state changes from stopped to paused or running.

virtual HRESULT Active(void);



Return Values

Returns an HRESULT value.

The default implementation returns NOERROR.


Any class that requires notification of a change of state should override this member function. This is called when the filter owning the pin exits the State_Stopped state.

The filter graph manager's internal state variable is not updated until after this member function returns, so avoid testing the filter graph manager's state (directly or indirectly) from within this member function.


DirectShow applications and DirectShow filters have different include file and link library requirements.

For more information, see Setting Up the Build Environment.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

Send Feedback on this topic to the authors

Feedback FAQs

© 2006 Microsoft Corporation. All rights reserved.