GroupDocsGists

// Extracts data from attachments: file path, metadata, and text from each document.
foreach (ContainerItem item in attachments)
{
    PrintMetadata(item.Metadata);

    try
    {
        using (Parser itemParser = item.OpenParser())
        {
            if (itemParser == null)

GroupDocsGists

Add Digital Signatures to ODT and OTT Files using GroupDocs.Signature for .NET

This gist shows how to add a digital signature to OpenDocument Text (ODT) and OpenDocument Template (OTT) files while keeping their internal structure intact using the GroupDocs.Signature .NET library.

📦 Prerequisites

• .NET environment (e.g., .NET 6.0 or later)
• GroupDocs.Signature for .NET package – install via NuGet (Install-Package GroupDocs.Signature)
• A digital certificate file (.pfx) and optional image for visual representation
• Temporary license key (obtain from GroupDocs temporary license)

GroupDocsGists

using System;
using GroupDocs.Conversion;
using GroupDocs.Conversion.Options.Convert;

namespace JpgToSvgDemo
{
    class Program
    {
        static void Main(string[] args)
        {

GroupDocsGists

using System;
using GroupDocs.Conversion;
using GroupDocs.Conversion.Options.Convert;
using System.Drawing;

namespace SvgToJpgDemo
{
    class Program
    {
        static void Main(string[] args)

GroupDocsGists

using System;
using GroupDocs.Conversion;
using GroupDocs.Conversion.Options.Convert;
using GroupDocs.Conversion.Options.Load;

namespace JsonToXmlDemo
{
    class Program
    {
        static void Main(string[] args)

GroupDocsGists

        private static void AddLockedHeaderWatermark()
        {
            Console.WriteLine("Adding locked header watermark...");

            var loadOptions = new WordProcessingLoadOptions();
            using (var watermarker = new Watermarker(InputFile, loadOptions))
            {
                var watermark = new TextWatermark("Company Confidential", new Font("Arial", 19))
                {
                    VerticalAlignment = VerticalAlignment.Center,

GroupDocsGists

Merge PowerPoint Presentations in Node.js

Want to streamline your merge presentation tasks in Node.js? Below is a friendly, step-by-step guide that uses concise code snippets to show how to combine pptx files effortlessly.

📦 Prerequisites

• Make sure to install the GroupDocs.Merger package.
• You can get started with a free trial of GroupDocs.Merger and utilize a temporary license for unrestricted usage.
• This functionality supports multiple file types, including PPTX and PDF.

🧩 Key Capabilities

GroupDocsGists

Merge PowerPoint Presentations in Python

In this snippet, you’ll discover how to merge PowerPoint presentations leveraging a concise Python example to help you streamline your presentations effectively. Whether you want to combine PPTX files or handle various formats, this guide will give you the foundation you need.

📦 Prerequisites

To get started, ensure you have the necessary packages installed. You will need to install GroupDocs.Merger to work with PowerPoint files in Python. Note that you can download a free trial of GroupDocs.Merger and use a temporary license for unrestricted usage. This works for PPTX, PDF, and many other document formats.

🧩 Key Features

• Effortlessly merge documents: Combine multiple PowerPoint presentations into one cohesive file.
• Support for various file types: Easily handle multiple forma

GroupDocsGists

import com.groupdocs.merger.Merger;
import com.groupdocs.merger.examples.Constants;

import java.io.File;
/**
    * This example demonstrates how to merge multiple PPTX files into single file.
    * For more details about merging PowerPoint Open XML Presentation (.pptx) files please check this documentation article
    * https://docs.groupdocs.com/merger/java/merge/powerpoint/
    */

GroupDocsGists

using System;
using System.IO;

namespace GroupDocs.Merger.Examples.CSharp.BasicUsage
{
    /// <summary>
    /// This example demonstrates how to merge multiple PPTX files into single file.
    /// For more details about merging PowerPoint Open XML Presentation (.pptx) files please check this documentation article 
    /// https://docs.groupdocs.com/merger/net/merge/powerpoint/
    /// </summary>