# GroupDocs.Watermark for Python via .NET — Complete Documentation > Native Python library that adds, searches, and removes text and image watermarks across PDF, Word, Excel, PowerPoint, Visio, ema......pdf` is the sample file used in this example. Click...com/watermark/python-net/_sample_files/developer-guide/basic-usage/add-text/sample...
Protect a PDF with an open password and restrict specific operations such as printing using PdfSecurityOptions and PdfSecurityPermissions with GroupDocs.Merger for Python via .NET....Editor Product Solution GroupDocs...merger.save() with the output file path. add_password_to_pdf_with_permissions...
This article shows how to get the information about the attachments....Editor Product Solution GroupDocs...Name ); Console . WriteLine ( "File format: {0}" , attachment ....
Quick Start section about main features of GroupDocs.Annotation API, describes how to annotate documents with just couple lines of code....Editor Product Solution GroupDocs...feedback Get supported file formats Get file info Add annotation...
In this article, get acquainted with the features, functions, supported File formats and developer usage of GroupDocs.Comparison for .NET — API to compare two or more Files and get the difference between them....Editor Product Solution GroupDocs...merge two or more files of . The compiled file shows line-by-line...
Follow the instructions on this page to configure the license and find out the restrictions when using GroupDocs.Watermark for Node.js via Java without a license (Evaluation Limitations)...Editor Product Solution GroupDocs...processor time. Set License from File The following code snippet shows...
Why To Migrate? Here are the key reasons to use the new API provided by GroupDocs.Metadata for .NET starting from version 19.11:
The* Metadata* class is introduced as a single entry point to manage metadata in Files of all supported formats. Extracting and updating metadata was unified for all supported formats. The product architecture was redesigned from scratch in order to simplify most common operations with metadata properties. Getting document information and preview generation procedures were simplified....Editor Product Solution GroupDocs...point to manage metadata in files of all supported formats. Extracting...
Code examples and live demostrations of GroupDocs.Merger for Java...Editor Product Solution GroupDocs...provided below to learn more about file merge features. GitHub Examples...