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Waits for either the due time for the current sample to arrive or for rendering to be stopped.
virtual HRESULT WaitForRenderTime(void);
Return Values
Returns an HRESULTvalue.
Remarks
The member function is virtual because derived classes might have more events that they also want to wait on, which might interrupt the waiting process. The base class has two events: m_RenderEventand m_ThreadSignal. The former is signaled by the clock when the sample is due for rendering. The latter is signaled by the filter when it should give up waiting and abort (making the assumption that the filter was stopped).