Export and import images to PDF file in C# and VB.NET

using System;
using SautinSoft.Pdf;
using System.IO;

class Program
{
	static void Main()
	{

		// This property is necessary only for licensed version.
		//SautinSoft.Pdf.Serial = "XXXXXXXXXXX";

		using (var document = PdfDocument.Load("ExportImages.pdf"))
		// Iterate through PDF pages and through each page's content elements.
		foreach (var page in document.Pages)
		foreach (var contentElement in page.Content.Elements.All())
		if (contentElement.ElementType == PdfContentElementType.Image)
		{
			// Export an image content element to selected image format.
			var imageContent = (PdfImageContent)contentElement;
			imageContent.Save("ExportImages.jpeg");
			return;
		}
	}
}

using System;
using SautinSoft.Pdf;
using System.IO;

class Program
{
	static void Main()
	{

		// This property is necessary only for licensed version.
		//SautinSoft.Pdf.Serial = "XXXXXXXXXXX";

		using (var document = new PdfDocument())
		{
			// Add a page.
			var page = document.Pages.Add();

			// Load the image from a file.
			var image = PdfImage.Load("StockHolm.jpg");

			// Set the location of the bottom-left corner of the image.
			// We want the top-left corner of the image to be at location (50, 50)
			// from the top-left corner of the page.
			// NOTE: In PDF, location (0, 0) is at the bottom-left corner of the page
			// and the positive y axis extends vertically upward.
			double x = 50, y = page.CropBox.Top - 50 - image.Size.Height;

			// Draw the image to the page.
			page.Content.DrawImage(image, new PdfPoint(x, y));

			document.Save("Stockholm.pdf");
		}
	}
}

using System;
using SautinSoft.Pdf;
using System.IO;

class Program
{
	static void Main()
	{

		// This property is necessary only for licensed version.
		//SautinSoft.Pdf.Serial = "XXXXXXXXXXX";

		using (var document = new PdfDocument())
		{
			var page = document.Pages.Add();

			// Load the image from a file.
			var image = PdfImage.Load("Corner.png");

			double margin = 50;

			// Set the location of the first image in the top-left corner of the page (with a specified margin).
			double x = margin;
			double y = page.CropBox.Top - margin - image.Size.Height;

			// Draw the first image.
			page.Content.DrawImage(image, new PdfPoint(x, y));

			// Set the location of the second image in the top-right corner of the page (with the same margin).
			x = page.CropBox.Right - margin - image.Size.Width;
			y = page.CropBox.Top - margin - image.Size.Height;

			// Initialize the transformation.
			var transform = PdfMatrix.Identity;
			// Use the translate operation to position the image.
			transform.Translate(x, y);
			// Use the scale operation to resize the image.
			// NOTE: The unit square of user space, bounded by user coordinates (0, 0) and (1, 1),
			// corresponds to the boundary of the image in the image space.
			transform.Scale(image.Size.Width, image.Size.Height);
			// Use the scale operation to flip the image horizontally.
			transform.Scale(-1, 1, 0.5, 0);

			// Draw the second image.
			page.Content.DrawImage(image, transform);

			// Set the location of the third image in the bottom-left corner of the page (with the same margin).
			x = margin;
			y = margin;

			// Initialize the transformation.
			transform = PdfMatrix.Identity;
			// Use the translate operation to position the image.
			transform.Translate(x, y);
			// Use the scale operation to resize the image.
			transform.Scale(image.Size.Width, image.Size.Height);
			// Use the scale operation to flip the image vertically.
			transform.Scale(1, -1, 0, 0.5);

			// Draw the third image.
			page.Content.DrawImage(image, transform);

			// Set the location of the fourth image in the bottom-right corner of the page (with the same margin).
			x = page.CropBox.Right - margin - image.Size.Width;
			y = margin;

			// Initialize the transformation.
			transform = PdfMatrix.Identity;
			// Use the translate operation to position the image.
			transform.Translate(x, y);
			// Use the scale operation to resize the image.
			transform.Scale(image.Size.Width, image.Size.Height);
			// Use the scale operation to flip the image horizontally and vertically.
			transform.Scale(-1, -1, 0.5, 0.5);

			// Draw the fourth image.
			page.Content.DrawImage(image, transform);

			document.Save("PositioningTransformations.pdf");
		}
	}
}