private static Shape CreateSectionImage(PowerPointSlide refSlide, AgendaSection section) { var sectionFirstSlide = FindSectionFirstNonAgendaSlide(section.Index); var shape = refSlide.InsertEntrySnapshotOfSlide(sectionFirstSlide); AgendaShape.SetShapeName(shape, ShapePurpose.VisualAgendaImage, section); return shape; }