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....Signature for .NET 集成,以安全合规地对 PDF 文档进行签名。...个实用示例。使用 GroupDocs.Watermark API 通过文本、图像和高级平铺模式保护 PDF 和图像。...