public HRESULT put_AlertBoundary(SpeechVoiceEvents Boundary)
 {
     return(((delegate * unmanaged <ISpeechVoice *, SpeechVoiceEvents, int>)(lpVtbl[24]))((ISpeechVoice *)Unsafe.AsPointer(ref this), Boundary));
 }
 public HRESULT put_EventInterests(SpeechVoiceEvents EventInterestFlags)
 {
     return(((delegate * unmanaged <ISpeechVoice *, SpeechVoiceEvents, int>)(lpVtbl[21]))((ISpeechVoice *)Unsafe.AsPointer(ref this), EventInterestFlags));
 }