This feature is only compatible with GroupDocs.Assembly for .NET 3.2.0 or later releases. The code uses some of the objects defined in The Business Layer. Barcode Generation in Microsoft PowerPoint Template Syntax Add a textbox to your template at the place where you want a barcode Image to be inserted. Add the following syntax: <> For detailed technical information about syntax, expressions and report generation by the engine, please visit: Working with GroupDocs....Annotation Product Solution GroupDocs...Events Acquisition Barcode Image Generation in Presentation Document...