This article shows how to add metadata properties which is the most sophisticated feature of the GroupDocs.Metadata search engine...Assembly Product Solution GroupDocs...
Learn this article and check how to load and convert CAD documents with advanced options using GroupDocs.Conversion for .NET API....Assembly Product Solution GroupDocs...
This article explains how to sign document with XML advanced electronic signatures (XAdES) using GroupDocs.Signature API....Assembly Product Solution GroupDocs...
This article explains how to set up logging when processing a document with GroupDocs.Signature within your .NET applications....Assembly Product Solution GroupDocs...