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....我们将分别研究向受保护文件添加文本和图像水印。 在某些情况下,您需要指出有错误或不再有效的内容。划掉...