IStructuredDocumentTag.placeholder property. Gets the [BuildingBlock](../../../aspose.words/buildingblock/) containing placeholder text which should be displayed when this SDT run contents are empty, the associated mapped XML element is empty as specified via the [IStructuredDocumentTag.xmlMapping](../xmlMapping/) element or the [IStructuredDocumentTag.isShowingPlaceholderText](../isShowingPlaceholderText/) element is True....isShowingPlaceholder element is true. get placeholder () : Aspose...document tag of the "PlainText" type, which will function as a text...