(.NET Core C#) Outlook -- Create Reply Email, Update, and Send

Creates a reply email in the Drafts folder, updates the reply with information, and then sends the reply.

Note: This example requires Chilkat v9.5.0.68 or greater.

This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Http http = new Chilkat.Http();

// Use your previously obtained access token here:
http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN";

// This example will search /Inbox for a message that will be replied to.
// First we need to get the folder ID for /Inbox.
// Then we'll search for messages based on some criteria, and reply to the 1st matching message.
// To reply, we'll create the reply message in the Drafts folder, update it with content, and the send.

// Get the folder ID for /Inbox from the folder map created by this example 
Chilkat.Hashtable htFolderMap = new Chilkat.Hashtable();
Chilkat.StringBuilder sbMap = new Chilkat.StringBuilder();
sbMap.LoadFile("qa_data/outlook/folderMap.xml","utf-8");
htFolderMap.AddFromXmlSb(sbMap);

// Get the ID for the "/Inbox" folder:
string folderId = htFolderMap.LookupStr("/Inbox");
if (htFolderMap.LastMethodSuccess != true) {
    Debug.WriteLine("Folder ID not found");
    return;
}

bool success = true;
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.EmitCompact = false;

// Search for unread emails in this folder from support@chilkatsoft.com 
http.SetUrlVar("folder_id",folderId);
http.SetUrlVar("select","id,subject");
http.SetUrlVar("filter","(isRead eq false) and (from/emailAddress/address eq 'support@chilkatsoft.com')");

Chilkat.StringBuilder sbResponse = new Chilkat.StringBuilder();
success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse);
if (success != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

json.LoadSb(sbResponse);
// Show the results..
Debug.WriteLine(json.Emit());

if (json.SizeOfArray("value") == 0) {
    Debug.WriteLine("Empty result set.");
    return;
}

// Sample results:

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject)",
//   "value": [
//     {
//       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfq\"",
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1wAAAA=",
//       "subject": "This email contains a PDF attachment"
//     },
//     {
//       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfs\"",
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj14AAAA=",
//       "subject": "This email has the word Amazon in the subject.."
//     }
//   ]
// }

// We'll create a reply for the 1st message in the result set.
// We'll need the message existing id.

string existingMsgId = json.StringOf("value[0].id");

// To create a reply, send a request such as the following:

// 	POST https://graph.microsoft.com/v1.0/me/messages/{id}/createReply
// 	Content-type: application/json
// 	Content-length: 248
// 
// 	{
// 	  "comment": "comment-value"
// 	}

Chilkat.JsonObject jsonRequestBody = new Chilkat.JsonObject();
jsonRequestBody.UpdateString("comment","This is a comment");

http.SetUrlVar("message_id",existingMsgId);

// Create the reply in the Drafts folder:
Chilkat.HttpResponse resp = http.PostJson2("https://graph.microsoft.com/v1.0/me/messages/{$message_id}/createReply","application/json",jsonRequestBody.Emit());
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// A 201 response indicates success.
if (resp.StatusCode == 201) {
    Debug.WriteLine("Created reply draft.");
    success = true;
}
else {
    Debug.WriteLine("Response status code = " + Convert.ToString(resp.StatusCode));
    Debug.WriteLine("Failed to create reply draft.");
    success = false;
}

// Show the response in both cases..
Chilkat.JsonObject jsonResponse = new Chilkat.JsonObject();
jsonResponse.EmitCompact = false;
jsonResponse.Load(resp.BodyStr);
Debug.WriteLine(jsonResponse.Emit());

if (success == false) {
    return;
}

// ----------------------------------------------
// Get the message id of the newly created reply.
string replyMsgId = jsonResponse.StringOf("id");

// Update the message with new text in the body..
// Send an HTTP PATCH request that looks something like this:
// Only send the message parts that are changing.

// 	PATCH https://graph.microsoft.com/v1.0/me/messages/{reply_message_id}
// 	Content-type: application/json
// 	Content-length: 248
// 
// 	{
// 	  "subject": "subject-value",
// 	  "body": {
// 	    "contentType": "html",
// 	    "content": "updated HTML goes here"
// 	  },
// 	  "inferenceClassification": "other"
// 	}

Chilkat.JsonObject jsonPatch = new Chilkat.JsonObject();
jsonPatch.UpdateString("body.contentType","html");

// The reply email that Outlook created will contain the original message under a horizontal rule.
// The body.content should contain this substring:  "<body bgcolor=\"#FFFFFF\">\r\n<hr "
// We're going to insert our reply after the body tag, and before the hr tag.
Chilkat.StringBuilder sbHtml = new Chilkat.StringBuilder();
jsonResponse.StringOfSb("body.content",sbHtml);
// Insert the response HTML in the reply HTML body.
int numReplaced = sbHtml.ReplaceBetween("<body bgcolor=\"#FFFFFF\">","<hr ","\r\n","<p>This is my response.</p>");
if (numReplaced != 1) {
    Debug.WriteLine("Something is amiss!");
    return;
}

jsonPatch.UpdateString("body.content",sbHtml.GetAsString());

// Add additional CC, BCC, or TO recipients like this:
int numToRecipients = jsonResponse.SizeOfArray("toRecipients");
int i = 0;
// Copy existing TO recipients.
while (i < numToRecipients) {
    jsonPatch.I = i;
    jsonResponse.I = i;
    jsonPatch.UpdateString("toRecipients[i].emailAddress.name",jsonResponse.StringOf("toRecipients[i].emailAddress.name"));
    jsonPatch.UpdateString("toRecipients[i].emailAddress.address",jsonResponse.StringOf("toRecipients[i].emailAddress.address"));
    i = i + 1;
}

// Add an additional TO recipient.
jsonPatch.I = numToRecipients;
jsonPatch.UpdateString("toRecipients[i].emailAddress.name","Chilkat");
jsonPatch.UpdateString("toRecipients[i].emailAddress.address","admin@chilkat.io");

int numCcRecipients = jsonResponse.SizeOfArray("ccRecipients");
i = 0;
// Copy existing CC recipients.
while (i < numCcRecipients) {
    jsonPatch.I = i;
    jsonResponse.I = i;
    jsonPatch.UpdateString("ccRecipients[i].emailAddress.name",jsonResponse.StringOf("ccRecipients[i].emailAddress.name"));
    jsonPatch.UpdateString("ccRecipients[i].emailAddress.address",jsonResponse.StringOf("ccRecipients[i].emailAddress.address"));
    i = i + 1;
}

// Add an additional CC recipient.
jsonPatch.I = numCcRecipients;
jsonPatch.UpdateString("ccRecipients[i].emailAddress.name","Chilkat GMail");
jsonPatch.UpdateString("ccRecipients[i].emailAddress.address","chilkat.support@gmail.com");

jsonPatch.EmitCompact = false;
Debug.WriteLine(jsonPatch.Emit());

http.SetUrlVar("message_id",replyMsgId);
resp = http.PText("PATCH","https://graph.microsoft.com/v1.0/me/messages/{$message_id}",jsonPatch.Emit(),"utf-8","application/json",false,false);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// A 200 response indicates success.
if (resp.StatusCode == 200) {
    Debug.WriteLine("Patched the reply draft.");
    success = true;
}
else {
    Debug.WriteLine("Response status code = " + Convert.ToString(resp.StatusCode));
    Debug.WriteLine("Failed to patch the reply draft.");
    success = false;
}

// Show the response in both cases..
jsonResponse.Load(resp.BodyStr);
Debug.WriteLine(jsonResponse.Emit());

if (success == false) {
    return;
}

// ---------------------------------------------------------------------
// OK, let's send the reply email...
// To send, POST with an empty request body:
// POST https://graph.microsoft.com/v1.0/me/messages/{id}/send

resp = http.PText("POST","https://graph.microsoft.com/v1.0/me/messages/{$message_id}/send","","","",false,false);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// A 202 response indicates success.
if (resp.StatusCode == 202) {
    Debug.WriteLine("Sent the email reply.");
    // If the status code was 202, there is no response body.
}
else {
    Debug.WriteLine("Response status code = " + Convert.ToString(resp.StatusCode));
    Debug.WriteLine("Failed to send the email reply.");
    jsonResponse.Load(resp.BodyStr);
    Debug.WriteLine(jsonResponse.Emit());
}

Debug.WriteLine("Finished.");

// -----------------------------------------------------------------------
// A sample successful JSON response for the createReply looks like this:

// 	{
// 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#message",
// 	  "@odata.type": "#microsoft.graph.message",
// 	  "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwR4\"",
// 	  "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM-lQbAAAAA=",
// 	  "createdDateTime": "2017-06-01T14:31:56Z",
// 	  "lastModifiedDateTime": "2017-06-01T14:31:56Z",
// 	  "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwR4",
// 	  "categories": [
// 	  ],
// 	  "receivedDateTime": "2017-06-01T14:31:56Z",
// 	  "sentDateTime": "2017-06-01T14:31:56Z",
// 	  "hasAttachments": false,
// 	  "internetMessageId": "<SN1PR20MB0461AF40FC899A8462536F04E6F60@SN1PR20MB0461.namprd20.prod.outlook.com>",
// 	  "subject": "RE: This email contains a PDF attachment",
// 	  "bodyPreview": "________________________________\r\nFrom: Chilkat Software <support@chilkatsoft.com>\r\nSent: Tuesday, May 30, 2017 10:58:56 PM\r\nTo: chilkatsoft@outlook.com\r\nSubject: This email contains a PDF attachment\r\n\r\nThis email contains a PDF attachment\r\n--\r\nBest Regar",
// 	  "importance": "normal",
// 	  "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
// 	  "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQAMMaWY-CWmVOqNKt-NiVhkU=",
// 	  "isDeliveryReceiptRequested": false,
// 	  "isReadReceiptRequested": false,
// 	  "isRead": true,
// 	  "isDraft": true,
// 	  "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5%2BvF7TKKdE6bGCRqXyl2PQAAAM%2FlQbAAAAA%3D&exvsurl=1&viewmodel=ReadMessageItem",
// 	  "inferenceClassification": "focused",
// 	  "body": {
// 	    "contentType": "html",
// 	    "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">\r\n<hr tabindex=\"-1\" style=\"display:inline-block; width:98%\"> ... </html>\r\n"
// 	  },
// 	  "sender": {
// 	    "emailAddress": {
// 	      "name": "Matt Smith",
// 	      "address": "chilkatsoft@outlook.com"
// 	    }
// 	  },
// 	  "from": {
// 	    "emailAddress": {
// 	      "name": "Matt Smith",
// 	      "address": "chilkatsoft@outlook.com"
// 	    }
// 	  },
// 	  "toRecipients": [
// 	    {
// 	      "emailAddress": {
// 	        "name": "Chilkat Software",
// 	        "address": "support@chilkatsoft.com"
// 	      }
// 	    }
// 	  ],
// 	  "ccRecipients": [
// 	  ],
// 	  "bccRecipients": [
// 	  ],
// 	  "replyTo": [
// 	  ]
// 	}
// 

// -----------------------------------------------------------------------
// A sample successful PATCH JSON response looks like this:

// 	{
// 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/messages/$entity",
// 	  "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwSA\"",
// 	  "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM-lQbMAAAA=",
// 	  "createdDateTime": "2017-06-01T15:18:14Z",
// 	  "lastModifiedDateTime": "2017-06-01T15:18:17Z",
// 	  "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwSA",
// 	  "categories": [
// 	  ],
// 	  "receivedDateTime": "2017-06-01T15:18:15Z",
// 	  "sentDateTime": "2017-06-01T15:18:15Z",
// 	  "hasAttachments": false,
// 	  "internetMessageId": "<SN1PR20MB046138C4A26051200764FE38E6F60@SN1PR20MB0461.namprd20.prod.outlook.com>",
// 	  "subject": "RE: This email has the word Amazon in the subject..",
// 	  "bodyPreview": "This is my response.\r\n\r\n________________________________\r\nFrom: Chilkat Software <support@chilkatsoft.com>\r\nSent: Tuesday, May 30, 2017 11:40:01 PM\r\nTo: Chilkat Software\r\nSubject: This email has the word Amazon in the subject..\r\n\r\nThis email has the word ",
// 	  "importance": "normal",
// 	  "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
// 	  "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQAE64PfPP1n1IhU4YasnNN0Q=",
// 	  "isDeliveryReceiptRequested": false,
// 	  "isReadReceiptRequested": false,
// 	  "isRead": true,
// 	  "isDraft": true,
// 	  "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5%2BvF7TKKdE6bGCRqXyl2PQAAAM%2FlQbMAAAA%3D&exvsurl=1&viewmodel=ReadMessageItem",
// 	  "inferenceClassification": "focused",
// 	  "body": {
// 	    "contentType": "html",
// 	    "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">\r\n<p>This is my response.</p>\r\n<hr tabindex=\"-1\" style=\"display:inline-block; width:98%\">\r\n<div id=\"divRplyFwdMsg\" dir=\"ltr\"><font face=\"Calibri, sans-serif\" color=\"#000000\" style=\"font-size:11pt\"><b>From:</b> Chilkat Software &lt;support@chilkatsoft.com&gt;<br>\r\n<b>Sent:</b> Tuesday, May 30, 2017 11:40:01 PM<br>\r\n<b>To:</b> Chilkat Software<br>\r\n<b>Subject:</b> This email has the word Amazon in the subject..</font>\r\n<div>&nbsp;</div>\r\n</div>\r\n<div><font face=\"Calibri\">This email has the word Amazon in the subject..</font><br>\r\n<div class=\"moz-signature\">-- <br>\r\nBest Regards,<br>\r\nMatt Smith<br>\r\nChilkat Software, Inc.<br>\r\n<p><a href=\"https://twitter.com/chilkatsoft\">Follow Chilkat on Twitter</a> </p>\r\n</div>\r\n</div>\r\n</body>\r\n</html>\r\n"
// 	  },
// 	  "sender": {
// 	    "emailAddress": {
// 	      "name": "Matt Smith",
// 	      "address": "chilkatsoft@outlook.com"
// 	    }
// 	  },
// 	  "from": {
// 	    "emailAddress": {
// 	      "name": "Matt Smith",
// 	      "address": "chilkatsoft@outlook.com"
// 	    }
// 	  },
// 	  "toRecipients": [
// 	    {
// 	      "emailAddress": {
// 	        "name": "Chilkat Software",
// 	        "address": "support@chilkatsoft.com"
// 	      }
// 	    }
// 	  ],
// 	  "ccRecipients": [
// 	  ],
// 	  "bccRecipients": [
// 	  ],
// 	  "replyTo": [
// 	  ]
// 	}