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Transitions the filter to State_Pausedstate if it is not in this state already, and informs the derived class.
HRESULT Pause (void);
Return Values
Returns an HRESULTvalue.
Remarks
This member function overrides the CBaseFilter::Pausemember function and implements the IMediaFilter::Pausemethod. It checks the input and output pin connections, calls CTransformFilter::StartStreaming, and finally calls the base class implementation ( CBaseFilter::Pause).