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。...