public static void replacePicture(string filePath)
{
using (WordprocessingDocument doc =
WordprocessingDocument.Open(filePath, true))
{
SdtBlock cc = doc.MainDocumentPart.Document.Body.Descendants <SdtBlock>()
.FirstOrDefault(c =>
{
SdtProperties p = c.Elements <SdtProperties>().FirstOrDefault();
if (p != null)
{
// Is it a picture content control?
SdtContentPicture pict =
p.Elements <SdtContentPicture>().FirstOrDefault();
// Get the alias.
SdtAlias a = p.Elements <SdtAlias>().FirstOrDefault();
if (pict != null)
{
return(true);
}
}
return(false);
});
string embed = null;
if (cc != null)
{
Drawing dr = cc.Descendants <Drawing>().FirstOrDefault();
if (dr != null)
{
Blip blip = dr.Descendants <Blip>().FirstOrDefault();
if (blip != null)
{
embed = blip.Embed;
}
}
}
if (embed != null)
{
IdPartPair idpp = doc.MainDocumentPart.Parts
.Where(pa => pa.RelationshipId == embed).FirstOrDefault();
if (idpp != null)
{
ImagePart ip = (ImagePart)idpp.OpenXmlPart;
using (FileStream fileStream =
File.Open("test.png", FileMode.Open))
ip.FeedData(fileStream);
}
}
}
}
public static WordprocessingDocument InsertImages(this WordprocessingDocument doc, ClientContext clientContext, string contentControlTag, string attachementServerRelativeUrl, TraceWriter log, List <string> messages)
{
try
{
SdtElement cc = doc.MainDocumentPart.Document.Body.Descendants <SdtElement>().FirstOrDefault(c =>
{
SdtProperties p = c.Elements <SdtProperties>().FirstOrDefault();
if (p != null)
{
// Is it a picture content control?
SdtContentPicture pict = p.Elements <SdtContentPicture>().FirstOrDefault();
// Get the alias.
SdtAlias a = p.Elements <SdtAlias>().FirstOrDefault();
if (pict != null && a.Val == contentControlTag)
{
return(true);
}
}
return(false);
});
string embed = null;
if (cc != null)
{
Drawing dr = cc.Descendants <Drawing>().FirstOrDefault();
if (dr != null)
{
DocumentFormat.OpenXml.Drawing.Blip blip = dr.Descendants <DocumentFormat.OpenXml.Drawing.Blip>().FirstOrDefault();
if (blip != null)
{
embed = blip.Embed;
}
}
}
if (embed != null)
{
IdPartPair idpp = doc.MainDocumentPart.Parts
.Where(pa => pa.RelationshipId == embed).FirstOrDefault();
if (idpp != null)
{
ImagePart ip = (ImagePart)idpp.OpenXmlPart;
var attachmentFile = clientContext.Site.RootWeb.GetFileByServerRelativeUrl(attachementServerRelativeUrl);
clientContext.Load(attachmentFile);
clientContext.ExecuteQueryRetry();
if (attachmentFile != null)
{
// Returns required result
ClientResult <Stream> attachmentStream = attachmentFile.OpenBinaryStream();
clientContext.ExecuteQueryRetry();
ip.FeedData(attachmentStream.Value);
}
}
}
return(doc);
}
catch (Exception ex)
{
string message = $"An error occurred replacing Image Content Control Tag \"{contentControlTag}\". Please ensure its an Image Content Control, and the value is the server relative url of an image file that you have access to";
log.Info(message);
messages.Add(message);
return(doc);
}
}
