title: when i compress .pdf files by using itextsharp dll it's not properly compress in c#.net
body: <p>I have some pdf files that contains combination of data and images when i trying to compress pdf by using itextsharp dll it's not compress properly it compress small kb of data</p>
  
  <p>I am using code is:</p>
  
  <pre><code>using iTextSharp.text;
  using iTextSharp.text.pdf;
   private void button1_Click(object sender, EventArgs e)
          {
  
      PdfReader reader = new PdfReader(@"D:\File.pdf");
                  PdfStamper stamper = new PdfStamper(reader, new FileStream(@"D:\compressFile.pdf", FileMode.Create), PdfWriter.VERSION_1_5);          
                  int pageNum = reader.NumberOfPages;
                  for (int i = 1; i &lt;= pageNum; i++)
                  {
                      reader.SetPageContent(i, reader.GetPageContent(i));
                  }
                  stamper.SetFullCompression();
                  stamper.Close();
                  MessageBox.Show("Done");
  }     
  </code></pre>
  
  <p>Original pdf file size: 9894Kb<br>
    After compress pdf file size : 9876Kb<br>
    I reduce only 18Kb.
    Is it possible to compress 1000kb.<br>
  Thank you</p>