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    <p>+1 to ColinE's answer. To implement the effect you want to achieve you'll need to use some 3rd party C# PDF library. You can find some links to open-source PDF libraries in answers to <a href="https://stackoverflow.com/questions/373926/lightweight-open-source-pdf-library-in-c">this SO question</a> or <a href="http://csharp-source.net/open-source/pdf-libraries" rel="nofollow noreferrer">there</a>.</p> <p><strong>UPDATE</strong></p> <p>As for your code - to merge two images so one appears right after another you can use <code>Graphics</code> class like this:</p> <p>Replace</p> <pre><code>object dataByte = null; for (int i = 0; i &lt; images.Count; i++) { System.IO.MemoryStream ms = new System.IO.MemoryStream(); images[i].Save(ms, System.Drawing.Imaging.ImageFormat.Png); items.Add(ms.ToArray()); } </code></pre> <p>with</p> <pre><code>System.IO.MemoryStream ms = new System.IO.MemoryStream(); if (images.Count &gt; 0) { int totalHeight = 0; int maxWidth = 0; for (int i = 0; i&lt; images.count; i++) { totalHeight += images[i].Height; if (images[i].Width &gt; maxWidth) { maxWidth = images[i].Width; } } Image mergedImage = new System.Drawing.Bitmap(maxWidth, totalHeight); System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(mergedImage); int heightOffset = 0; for (int i = 0; i&lt; images.Count; i++) { g.DrawImage(images[i],new Point(0, heightOffset)); heightOffset += images[i].Height; } g.Dispose(); // Mandatory! Graphics is using unmanaged resources so it must be disposed explicitly. mergedImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png); } </code></pre>
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    1. POHow to merge 2 or more byte items in array to one byte element
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    1. USSergey Kudriavtsev
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    1. COI'm using library which help me to change pdf to images
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    2. COthen you might want to use the same library to create a PDF from two images you have in your arrays. Still if you merge those two arrays you won't get any good results - most file formats have specific header/footer structures that won't allow correct processing of such merged array.
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      1. USSergey Kudriavtsev
    3. COi don't need convert pdf -> image -> pdf I want only pdf -> image. I must do something that: If pdf have 2 pages i need get 2 objects of byte and put them to imagebox on my report. Problem is here. I can't put two object to one imagebox on report. I must find solution to allow me adding dynamic imagebox when pdf have more than one page. Any idea?
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