Aspose::Words::Markup::IStructuredDocumentTag::get_PlaceholderName method. Gets Name of the BuildingBlock containing placeholder text. BuildingBlock with this name Name has to be present in the GlossaryDocument otherwise InvalidOperationException will occur in C++....Aspose::Words::Markup::IStructuredDocumentT::get_PlaceholderName...:: String Aspose :: Words :: Markup :: IStructuredDocumentT ::...