private static void CopyHeaderImages(HeaderPart oldHeader, HeaderPart newHeader, List<ImageData> images)
{
foreach (XElement imageReference in newHeader.GetXDocument().Descendants(ns_a + "blip"))
{
string relId = imageReference.Attribute(ns_r + "embed").Value;
ImagePart oldPart = (ImagePart)oldHeader.GetPartById(relId);
ImageData temp = ManageImageCopy(oldPart, images);
if (temp.ResourceID == null)
{
ImagePart newPart = newHeader.AddImagePart(oldPart.ContentType);
temp.ResourceID = newHeader.GetIdOfPart(newPart);
temp.WriteImage(newPart);
}
imageReference.Attribute(ns_r + "embed").Value = temp.ResourceID;
}
}
private static void CopyHeaderEmbeddedObjects(HeaderPart oldHeader, HeaderPart newHeader)
{
foreach (XElement oleReference in newHeader.GetXDocument().Descendants(ns_o + "OLEObject"))
{
string relId = oleReference.Attribute(ns_r + "id").Value;
EmbeddedObjectPart oldPart = (EmbeddedObjectPart)oldHeader.GetPartById(relId);
EmbeddedObjectPart newPart = newHeader.AddEmbeddedObjectPart(oldPart.ContentType);
using (Stream oldObject = oldPart.GetStream(FileMode.Open, FileAccess.Read))
using (Stream newObject = newPart.GetStream(FileMode.Create, FileAccess.ReadWrite))
{
int byteCount;
byte[] buffer = new byte[65536];
while ((byteCount = oldObject.Read(buffer, 0, 65536)) != 0)
newObject.Write(buffer, 0, byteCount);
}
oleReference.Attribute(ns_r + "id").Value = newHeader.GetIdOfPart(newPart);
}
}