Comment intégrer une image en ligne dans le corps d'un e-mail avec Microsoft Graph

Microsoft 365 & Office Outlook & Exchange
,
1

Comment intégrer une image en ligne dans le corps d’un e-mail avec Microsoft Graph

2

J’ai écrit une démo pour vous, essayez l’application console simple ci-dessous :

using Microsoft.Graph;
using Microsoft.Graph.Auth;
using Microsoft.Identity.Client;
using System;
using System.Collections.Generic;

namespace sendEmails
{
    class Program
    {
        static void Main(string[] args)
        {
            var appID = "";
            var appSec = "";
            var tenantID = "";


            IConfidentialClientApplication confidentialClientApplication = ConfidentialClientApplicationBuilder
                .Create(appID)
                .WithTenantId(tenantID)
                .WithClientSecret(appSec)
                .Build();

            ClientCredentialProvider authenticationProvider = new ClientCredentialProvider(confidentialClientApplication);

            GraphServiceClient graphServiceClient = new GraphServiceClient(authenticationProvider);

            var imagePath = @"<your image path>";
            var imageID = "image1";


            byte[] imageArray = System.IO.File.ReadAllBytes(imagePath);

            var body = "<h1>this is superman </br> <img src='cid:"+ imageID + "'/></h1>";
            var attachments = new MessageAttachmentsCollectionPage()
            {
                new FileAttachment{
                    ContentType= "image/jpeg",
                    ContentBytes = imageArray,
                    ContentId = imageID,
                    Name= "test-image"
                }
            };

            var message = new Message
            {
                Subject = "TEST SENDING IMAGE ",
                Body = new ItemBody
                {
                    ContentType = BodyType.Html,
                    Content = body,
                    ODataType = null
                },
                ToRecipients = new List<Recipient>()
                {
                    new Recipient
                    {
                        EmailAddress = new EmailAddress
                        {


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