Adding watermark to all pages of a particular type Using GroupDocs.Watermark, you can add watermark to all pages of a particular type in a document. It consists of following steps.
Load the document Create and initialize watermark object Set watermark properties Add watermark by specifying page type using setPlacementType() method of DiagramShapeWatermarkOptions Save the document Following code shows how to add watermark to a particular type of the pages....to protect watermark from editing in MS Visio by calling method...options . setLocked ( true ); // Editing of the shape in Visio is forbidden...