private IPartFilter GetNotesMasterPartFilter(string sTarget, bool bCleaning)
 {
     PptxNotesMasterPartFilter nmpf = new PptxNotesMasterPartFilter(m_commonNamespaces, sTarget);
     nmpf.Triggers.AddRange(PptxMetadataDefinitions.ParagraphText);
     if (bCleaning && AreWeInterestedIn(ContentType.Field))
     {
         nmpf.Triggers.AddRange(PptxMetadataDefinitions.ActiveXControls);
         nmpf.Triggers.AddRange(PptxMetadataDefinitions.EmbeddedObjects);
         nmpf.ListGraphicFrameHasOLEObject = GetListOfNotesMasterOLEObjectsInGraphicFrames(sTarget);
     }
     if (AreWeInterestedIn(ContentType.Footer))
         nmpf.Triggers.AddRange(PptxMetadataDefinitions.Footer);
     if (AreWeInterestedIn(ContentType.Header))
         nmpf.Triggers.AddRange(PptxMetadataDefinitions.Header);
     return nmpf as IPartFilter;
 }
        private void CollectPreProcessResultsForNotesMasterPart(PartInfo rel, PptxNotesMasterPartFilter pf)
        {
            if (pf == null  || string.IsNullOrEmpty(rel.Target))
                return;

            m_dictNotesMasterOLEObjectsInGraphicFrames.Add(rel.Target, pf.ListGraphicFrameHasOLEObject);
        }