public static DocumentWrapper LoadFrom(this DocumentWrapper source, IEnumerable <IPdfContent> pdfs)
{
source.IsEncrypted = false;
MemoryStream ms = null;
PdfCopy pdfCopy = null;
PdfReader reader = null;
try
{
using (ms = new MemoryStream())
using (pdfCopy = new PdfCopy(source, ms))
{
source.Open();
foreach (var item in pdfs)
{
reader = item.ToPdfContent().GetReader();
source.IsEncrypted = source.IsEncrypted.Value || reader.IsEncrypted();
pdfCopy.AddAllPages(ref reader);
reader.Close();
}
source.Close();
source.Content = ms.ToDeepCopyArray();
return(source);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
throw;
}
finally
{
reader.CloseQuietly();
source.CloseQuietly();
pdfCopy.CloseQuietly();
ms.CloseQuietly();
}
}