Add Watermark to Presentation Slides using C#

Watermarks are normally used to protect the documents from any unauthorized use. To protect your presentations and to claim ownership, today we will learn how to programmatically add text and image watermarks to the Microsoft PowerPoint presentations within .NET applications using C#. In a separate article, we have seen [applying watermarks to images in C#][1].
May 1, 2021 · 3 min · Shoaib Khan