Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....在本文中,您将学习使用 C# 以编程方式将水印添加到 PDF 文件。我们将分别研究添加水印文本和图像水印。...