New Post: How to combine multiple images into one

using (MagickImageCollection images = new MagickImageCollection())
{
  MagickImage first = new MagickImage("first.png");
  images.Add(first);
  MagickImage second = new MagickImage("second.png");
  second.Page = new MagickGeometry(50, 50, 0, 0);
  images.Add(second);
  
  MagickImage result = images.Merge(LayerMethod.Mosaic);
  result.Write("output.png");
}