Insert a Picture into the Picture/Image Content Control using Open XML SDK 2.0

using (WordprocessingDocument document = WordprocessingDocument.Open(@".\test.docx", true)) {

                MainDocumentPart mainPart = document.MainDocumentPart;
                DocumentFormat.OpenXml.Wordprocessing.Text text = null;
                SdtContentBlock pizzaNameBlock = null;
                SdtContentBlock pizzaDescriptionBlock = null;//SdtContentBlock pizzaPictureBlock = null;  

                List<SdtBlock> sdtList = mainPart.Document.Descendants<SdtBlock>().ToList();foreach (SdtBlock sdt in sdtList)
                {
                    Console.WriteLine(sdt.SdtProperties.GetFirstChild<Tag>().Val.Value);
                }

                SdtBlock s1 = mainPart.Document.Body.Descendants<SdtBlock>().Where(r => r.SdtProperties.GetFirstChild<Tag>().Val == "PizzaName").Single();
                SdtBlock s2 = mainPart.Document.Body.Descendants<SdtBlock>().Where(r => r.SdtProperties.GetFirstChild<Tag>().Val == "PizzaDescription").Single();
                SdtBlock s3 = mainPart.Document.Body.Descendants<SdtBlock>().FirstOrDefault(r =>
                {
                    SdtProperties p = r.Elements<SdtProperties>().FirstOrDefault();if (p != null)
                    {
                        Console.WriteLine("P is not null");// Is it a picture content control?
                        SdtContentPicture pict =
                            p.Elements<SdtContentPicture>().FirstOrDefault();if (pict != null) Console.WriteLine("Pict is not null");// Get the alias.
                        SdtAlias a = p.Elements<SdtAlias>().FirstOrDefault();if (pict != null&& a.Val == "PizzaPicture")returntrue;
                    }returnfalse;
                });if (s3 == null) {
                    Console.Write(" s3 is Null");
                } else {
                    Console.WriteLine("s3 not null");
                }if (s1 != null) {
                    pizzaNameBlock = s1.Descendants<SdtContentBlock>().FirstOrDefault();
                    text = pizzaNameBlock.Descendants<DocumentFormat.OpenXml.Wordprocessing.Text>().FirstOrDefault();// here you can set the current time
                    text.Text = "Peperoni";
                    Console.WriteLine(text.Text);
                }string embed = null;if (s3 != null)
                {
                    Drawing dr = s3.Descendants<Drawing>().FirstOrDefault();if (dr != null)
                    {
                        Blip blip = dr.Descendants<Blip>().FirstOrDefault();if (blip != null)
                            embed = blip.Embed;
                    }
                }if (embed != null)
                {
                    IdPartPair idpp = document.MainDocumentPart.Parts
                        .Where(pa => pa.RelationshipId == embed).FirstOrDefault();if (idpp != null)
                    {
                        ImagePart ip = (ImagePart)idpp.OpenXmlPart;using (FileStream fileStream =
                            File.Open(@"c:\temp\pepperoni.jpg", FileMode.Open))
                            ip.FeedData(fileStream);
                    }
                }if (s2 != null) {
                    pizzaDescriptionBlock = s2.Descendants<SdtContentBlock>().FirstOrDefault();string altChunkId = "AltChunkId12345";
                    AlternativeFormatImportPart chunk = mainPart.AddAlternativeFormatImportPart(AlternativeFormatImportPartType.Xhtml, altChunkId);
                    chunk.FeedData(File.Open(@".\html.txt", FileMode.Open));
                    AltChunk altChunk = new AltChunk();
                    altChunk.Id = altChunkId;////Replace content control with altChunk information                
                    OpenXmlElement parent = pizzaDescriptionBlock.Parent;
                    parent.InsertAfter(altChunk, pizzaDescriptionBlock);
                    pizzaDescriptionBlock.Remove();
                }

                mainPart.Document.Save();
                document.Close();
            }