Document Automation APIs along with open-source SDKs to enhance Java, Python, Node.js, C# .Net, Ruby, C++, and PHP applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, extract, redact, watermark, metadata, paraphrase, classify, repair, and translate documents of almost all the popular file formats....NET 库的GroupDocs.Viewer 支持向打印页面添加水印以及启用水印的设置。...2014年7月 在云中安全地签署文档 GroupDocs.Signature for Cloud 是一个 API,允许开发人员向其应用程序添加安全电子签名功能。该...