Retrieve Attached Files with Aspose.Note

Introduction

In this tutorial, we’ll explore how to retrieve attached files from a document using Aspose.Note for .NET. Aspose.Note is a powerful API that allows developers to work with Microsoft OneNote files programmatically. We’ll break down the process into simple steps to make it easy to follow along.

Prerequisites

Before we begin, ensure you have the following:

• Aspose.Note for .NET: Make sure you have installed Aspose.Note for .NET. You can download it from here.

Import Namespaces

First, let’s import the necessary namespaces to work with Aspose.Note:

using System.IO;
using Aspose.Note;
using System;
using System.Collections.Generic;
using System.Drawing;

Step 1: Load the Document

// The path to the documents directory.
string dataDir = "Your Document Directory";

// Load the document into Aspose.Note.
Document oneFile = new Document(dataDir + "Sample1.one");

Step 2: Get Attached File Nodes

// Get a list of attached file nodes
IList<AttachedFile> nodes = oneFile.GetChildNodes<AttachedFile>();

Step 3: Iterate Through Attached Files

// Iterate through all nodes
foreach (AttachedFile file in nodes)
{
    // Load attached file to a stream object
    using (Stream outputStream = new MemoryStream(file.Bytes))
    {
        // Create a local file
        using (Stream fileStream = System.IO.File.OpenWrite(String.Format(dataDir + file.FileName)))
        {
            // Copy file stream
            CopyStream(outputStream, fileStream);
        }
    }
}

Conclusion

In this tutorial, we learned how to retrieve attached files from a document using Aspose.Note for .NET. By following these simple steps, you can seamlessly integrate this functionality into your .NET applications.

FAQ’s

Q1: Is Aspose.Note compatible with all versions of OneNote files?

A1: Yes, Aspose.Note supports various versions of Microsoft OneNote files, ensuring compatibility across different platforms.

Q2: Can I modify the retrieved attached files before saving them locally?

A2: Certainly! You can manipulate the attached files as needed within your application before saving them locally.

Q3: Does Aspose.Note offer support for developers?

A3: Absolutely! Aspose provides extensive documentation and a dedicated support forum to assist developers with any queries or issues they encounter.

Q4: Can I try Aspose.Note before purchasing it?

A4: Yes, you can avail of a free trial of Aspose.Note to explore its features and functionalities before making a purchase decision.

Q5: How can I obtain a temporary license for Aspose.Note?

A5: You can request a temporary license from Aspose to evaluate the API’s full capabilities in your development environment.