public PdfConcatenator(Stream outStream, PdfEncryptInfo encryptInfo, int viewerPreference)
 {
     if (encryptInfo == null)
     {
         Setup(outStream, 0, null, null, 0, viewerPreference);
     }
     else
     {
         Setup(outStream, encryptInfo.encryptionLength, encryptInfo.userPassword, encryptInfo.ownerPassword, encryptInfo.permissions, viewerPreference);
     }
 }
 public PdfConcatenator(Stream outStream, PdfEncryptInfo encryptInfo)
     : this(outStream, encryptInfo, 0)
 {
 }