ImageFieldMergingArgsImage Property |
Namespace: Aspose.Words.MailMerging
public void MergeFieldImages() { Document doc = new Document(); // Insert a merge field where images will be placed during the mail merge DocumentBuilder builder = new DocumentBuilder(doc); builder.InsertField("MERGEFIELD Image:ImageColumn"); // When we merge images, our data table will normally have the full e. of the images we wish to merge // If this is cumbersome, we can move image filename logic to another place and populate the data table with just shorthands for images DataTable dataTable = CreateDataTable("Images", "ImageColumn", new string[] { "Dark logo", "Transparent logo" }); // A custom merging callback will contain filenames that our shorthands will refer to doc.MailMerge.FieldMergingCallback = new ImageFilenameCallback(); doc.MailMerge.Execute(dataTable); doc.Save(ArtifactsDir + "Field.MERGEFIELD.Images.docx"); } /// <summary> /// Image merging callback that pairs image shorthand names with filenames. /// </summary> private class ImageFilenameCallback : IFieldMergingCallback { public ImageFilenameCallback() { mImageFilenames = new Dictionary<string, string>(); mImageFilenames.Add("Dark logo", ImageDir + "Logo.jpg"); mImageFilenames.Add("Transparent logo", ImageDir + "Transparent background logo.png"); } void IFieldMergingCallback.FieldMerging(FieldMergingArgs e) { throw new NotImplementedException(); } void IFieldMergingCallback.ImageFieldMerging(ImageFieldMergingArgs e) { if (mImageFilenames.ContainsKey(e.FieldValue.ToString())) { #if NETFRAMEWORK e.Image = Image.FromFile(mImageFilenames[e.FieldValue.ToString()]); #else e.Image = SKBitmap.Decode(mImageFilenames[e.FieldValue.ToString()]); e.ImageFileName = mImageFilenames[e.FieldValue.ToString()]; #endif } Assert.NotNull(e.Image); } private readonly Dictionary<string, string> mImageFilenames; }