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,您將學習如何使用 C# 以編程方式將水印添加到 PDF 文件。我們將分別研究添加水印文本和圖像水印。...