protected PackagePart clonePackagePart(PackagePart pp)
{
PackagePart new_pp = package.CreatePart(pp.Uri, pp.ContentType, CompressionOption.Normal);
using (Stream s_read = pp.GetStream())
{
using (Stream s_write = new PackagePartStream(new_pp.GetStream(FileMode.Create)))
{
byte[] buffer = new byte[32768];
int read;
while ((read = s_read.Read(buffer, 0, buffer.Length)) > 0)
{
s_write.Write(buffer, 0, read);
}
}
}
return new_pp;
}