Insert or Extract Images from OneNote .one File Programmatically using C#

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For more details, please visit Insert or Extract Images from OneNote File in C#

Extract-Image-OneNote.cs

// Load the document with Document class.
Document oneFile = new Document(dataDir + "Aspose.one");

// Get all Image nodes
IList<Image> nodes = oneFile.GetChildNodes<Image>();

foreach (Image image in nodes)
{
    using (MemoryStream stream = new MemoryStream(image.Bytes))
    {
        using (Bitmap bitMap = new Bitmap(stream))
        {
            // Save image bytes to a file
            bitMap.Save(String.Format("{0}", Path.GetFileName(image.FileName)));
        }
    }
}

Insert-Image-OneNote.cs

// Initialize LoadOptions class object.
LoadOptions options = new LoadOptions();

Document oneFile = new Document("Sample1.one", options);

// Get the first page of the document.
Page page = oneFile.FirstChild;

// Load an image from the file.
Image image = new Image(oneFile, "Input.jpg");

// Change the image's size according to your needs (optional).
image.Width = 100;
image.Height = 100;

// Set the image's location in the page (optional).
image.VerticalOffset = 400;
image.HorizontalOffset = 100;

// Set image alignment
image.Alignment = HorizontalAlignment.Right;

// Add the image to the page.
page.AppendChildLast(image);

// Save the document in the .one format.
oneFile.Save("InsertImage_out.one", SaveFormat.One);