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Delphi DLL Requires Chilkat v11.0.0+

Outlook -- Create Reply Email, Update, and Send

See more Outlook Examples

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

Chilkat Delphi DLL Downloads

Delphi DLL
var
success: Boolean;
http: HCkHttp;
htFolderMap: HCkHashtable;
sbMap: HCkStringBuilder;
folderId: PWideChar;
json: HCkJsonObject;
sbResponse: HCkStringBuilder;
existingMsgId: PWideChar;
jsonRequestBody: HCkJsonObject;
resp: HCkHttpResponse;
jsonResponse: HCkJsonObject;
replyMsgId: PWideChar;
jsonPatch: HCkJsonObject;
sbHtml: HCkStringBuilder;
numReplaced: Integer;
numToRecipients: Integer;
i: Integer;
numCcRecipients: Integer;

begin
success := False;

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

http := CkHttp_Create();

//  Use your previously obtained access token here:
CkHttp_putAuthToken(http,'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 
htFolderMap := CkHashtable_Create();
sbMap := CkStringBuilder_Create();
CkStringBuilder_LoadFile(sbMap,'qa_data/outlook/folderMap.xml','utf-8');
CkHashtable_AddFromXmlSb(htFolderMap,sbMap);

//  Get the ID for the "/Inbox" folder:
folderId := CkHashtable__lookupStr(htFolderMap,'/Inbox');
if (CkHashtable_getLastMethodSuccess(htFolderMap) <> True) then
  begin
    Memo1.Lines.Add('Folder ID not found');
    Exit;
  end;

success := True;
json := CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,False);

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

sbResponse := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}',sbResponse);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

CkJsonObject_LoadSb(json,sbResponse);
//  Show the results..
Memo1.Lines.Add(CkJsonObject__emit(json));

if (CkJsonObject_SizeOfArray(json,'value') = 0) then
  begin
    Memo1.Lines.Add('Empty result set.');
    Exit;
  end;

//  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.

existingMsgId := CkJsonObject__stringOf(json,'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"
//  	}

jsonRequestBody := CkJsonObject_Create();
CkJsonObject_UpdateString(jsonRequestBody,'comment','This is a comment');

CkHttp_SetUrlVar(http,'message_id',existingMsgId);

//  Create the reply in the Drafts folder:
resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST','https://graph.microsoft.com/v1.0/me/messages/{$message_id}/createReply',jsonRequestBody,'application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

//  A 201 response indicates success.
if (CkHttpResponse_getStatusCode(resp) = 201) then
  begin
    Memo1.Lines.Add('Created reply draft.');
    success := True;
  end
else
  begin
    Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
    Memo1.Lines.Add('Failed to create reply draft.');
    success := False;
  end;

//  Show the response in both cases..
jsonResponse := CkJsonObject_Create();
CkJsonObject_putEmitCompact(jsonResponse,False);
CkJsonObject_Load(jsonResponse,CkHttpResponse__bodyStr(resp));
Memo1.Lines.Add(CkJsonObject__emit(jsonResponse));
if (success = False) then
  begin
    Exit;
  end;

//  ----------------------------------------------
//  Get the message id of the newly created reply.
replyMsgId := CkJsonObject__stringOf(jsonResponse,'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"
//  	}

jsonPatch := CkJsonObject_Create();
CkJsonObject_UpdateString(jsonPatch,'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.
sbHtml := CkStringBuilder_Create();
CkJsonObject_StringOfSb(jsonResponse,'body.content',sbHtml);
//  Insert the response HTML in the reply HTML body.
numReplaced := CkStringBuilder_ReplaceBetween(sbHtml,'<body bgcolor="#FFFFFF">','<hr ',#13#10,'<p>This is my response.</p>');
if (numReplaced <> 1) then
  begin
    Memo1.Lines.Add('Something is amiss!');
    Exit;
  end;
CkJsonObject_UpdateString(jsonPatch,'body.content',CkStringBuilder__getAsString(sbHtml));

//  Add additional CC, BCC, or TO recipients like this:
numToRecipients := CkJsonObject_SizeOfArray(jsonResponse,'toRecipients');
i := 0;
//  Copy existing TO recipients.
while i < numToRecipients do
  begin
    CkJsonObject_putI(jsonPatch,i);
    CkJsonObject_putI(jsonResponse,i);
    CkJsonObject_UpdateString(jsonPatch,'toRecipients[i].emailAddress.name',CkJsonObject__stringOf(jsonResponse,'toRecipients[i].emailAddress.name'));
    CkJsonObject_UpdateString(jsonPatch,'toRecipients[i].emailAddress.address',CkJsonObject__stringOf(jsonResponse,'toRecipients[i].emailAddress.address'));
    i := i + 1;
  end;

//  Add an additional TO recipient.
CkJsonObject_putI(jsonPatch,numToRecipients);
CkJsonObject_UpdateString(jsonPatch,'toRecipients[i].emailAddress.name','Chilkat');
CkJsonObject_UpdateString(jsonPatch,'toRecipients[i].emailAddress.address','admin@chilkat.io');

numCcRecipients := CkJsonObject_SizeOfArray(jsonResponse,'ccRecipients');
i := 0;
//  Copy existing CC recipients.
while i < numCcRecipients do
  begin
    CkJsonObject_putI(jsonPatch,i);
    CkJsonObject_putI(jsonResponse,i);
    CkJsonObject_UpdateString(jsonPatch,'ccRecipients[i].emailAddress.name',CkJsonObject__stringOf(jsonResponse,'ccRecipients[i].emailAddress.name'));
    CkJsonObject_UpdateString(jsonPatch,'ccRecipients[i].emailAddress.address',CkJsonObject__stringOf(jsonResponse,'ccRecipients[i].emailAddress.address'));
    i := i + 1;
  end;

//  Add an additional CC recipient.
CkJsonObject_putI(jsonPatch,numCcRecipients);
CkJsonObject_UpdateString(jsonPatch,'ccRecipients[i].emailAddress.name','Chilkat GMail');
CkJsonObject_UpdateString(jsonPatch,'ccRecipients[i].emailAddress.address','chilkat.support@gmail.com');

CkJsonObject_putEmitCompact(jsonPatch,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonPatch));

CkHttp_SetUrlVar(http,'message_id',replyMsgId);
success := CkHttp_HttpJson(http,'PATCH','https://graph.microsoft.com/v1.0/me/messages/{$message_id}',jsonPatch,'application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

//  A 200 response indicates success.
if (CkHttpResponse_getStatusCode(resp) = 200) then
  begin
    Memo1.Lines.Add('Patched the reply draft.');
    success := True;
  end
else
  begin
    Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
    Memo1.Lines.Add('Failed to patch the reply draft.');
    success := False;
  end;

//  Show the response in both cases..
CkJsonObject_Load(jsonResponse,CkHttpResponse__bodyStr(resp));
Memo1.Lines.Add(CkJsonObject__emit(jsonResponse));
if (success = False) then
  begin
    Exit;
  end;

//  ---------------------------------------------------------------------
//  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
success := CkHttp_HttpStr(http,'POST','https://graph.microsoft.com/v1.0/me/messages/{$message_id}/send','','','',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

//  A 202 response indicates success.
if (CkHttpResponse_getStatusCode(resp) = 202) then
  begin
    Memo1.Lines.Add('Sent the email reply.');
    //  If the status code was 202, there is no response body.
  end
else
  begin
    Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
    Memo1.Lines.Add('Failed to send the email reply.');
    CkJsonObject_Load(jsonResponse,CkHttpResponse__bodyStr(resp));
    Memo1.Lines.Add(CkJsonObject__emit(jsonResponse));
  end;

Memo1.Lines.Add('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": [
//  	  ]
//  	}

CkHttp_Dispose(http);
CkHashtable_Dispose(htFolderMap);
CkStringBuilder_Dispose(sbMap);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbResponse);
CkJsonObject_Dispose(jsonRequestBody);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(jsonResponse);
CkJsonObject_Dispose(jsonPatch);
CkStringBuilder_Dispose(sbHtml);