(Xojo Plugin) Outlook -- List Messages in a Specified Folder

Demonstrates how to list the messages in a particular Outlook mailbox folder.

Note: This example requires Chilkat v9.5.0.67 or greater.

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Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

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

Dim http As New Chilkat.Http

// Use your previously obtained access token here:
// See the following examples for getting an access token:
//    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
//    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
//    Refresh Access Token (Azure AD v2.0 Endpoint).
//    Refresh Access Token (Azure AD Endpoint).

http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"

Dim sbResponse As New Chilkat.StringBuilder

// Sends:  GET /users/{user_id | userPrincipalName}/mailFolders/{folder_id}/messages
// Note: It is also possible to use the literal string "me" for the current logged-on user.
// For example: GET /me/mailFolders/{folder_id}/messages

http.ClearUrlVars 
success = http.SetUrlVar("userPrincipalName","chilkatsoft@outlook.com")

// In this example, we'd like to get the messages in the folder "/Inbox/abc",
// but we must specify the corresponding folder_id.  The best way to do this is to create
// a local map of folderPaths-to-folderIds.
// This example does it:  Create Outlook Folder Map)
Dim htFolderMap As New Chilkat.Hashtable
Dim sbMap As New Chilkat.StringBuilder
success = sbMap.LoadFile("qa_data/outlook/folderMap.xml","utf-8")
success = htFolderMap.AddFromXmlSb(sbMap)

// Get the ID for the "/Inbox/abc" folder:
Dim folderId As String
folderId = htFolderMap.LookupStr("/Inbox/abc")
If (htFolderMap.LastMethodSuccess <> True) Then
    System.DebugLog("Folder ID not found")
    Return
End If

success = http.SetUrlVar("folder_id",folderId)

// Send the request to list the messages.
Dim success As Boolean
success = http.QuickGetSb("https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/mailFolders/{$folder_id}/messages",sbResponse)
If ((success <> True) And (http.LastStatus = 0)) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim json As New Chilkat.JsonObject
success = json.LoadSb(sbResponse)
json.EmitCompact = False

System.DebugLog("Status code = " + Str(http.LastStatus))
If (http.LastStatus <> 200) Then
    System.DebugLog(json.Emit())
    System.DebugLog("Failed.")
End If

// In my test case, the raw JSON returned is shown below.
// Iterate over the messages to get information about each..

Dim i As Int32
i = 0
Dim numMessages As Int32
numMessages = json.SizeOfArray("value")
While i < numMessages
    json.I = i

    // This is the id for the email message.
    // For REST API calls that require particular email message id, this is what should be used..
    Dim messageId As String
    messageId = json.StringOf("value[i].id")
    System.DebugLog("id: " + messageId)

    System.DebugLog("From Name: " + json.StringOf("value[i].from.emailAddress.name"))
    System.DebugLog("From Addr: " + json.StringOf("value[i].from.emailAddress.address"))

    Dim numRecipients As Int32
    numRecipients = json.SizeOfArray("value[i].toRecipients")
    Dim j As Int32
    j = 0
    While j < numRecipients
        json.J = j
        System.DebugLog("To Name: " + json.StringOf("value[i].toRecipients[j].emailAddress.name"))
        System.DebugLog("To Addr: " + json.StringOf("value[i].toRecipients[j].emailAddress.address"))
        j = j + 1
    Wend

    System.DebugLog("Subject: " + json.StringOf("value[i].subject"))
    System.DebugLog("Has Attachments:" + Str(json.BoolOf("value[i].hasAttachments")))

    System.DebugLog("Body Content-Type:" + json.StringOf("value[i].body.contentType"))
    Dim bodyContent As String
    bodyContent = json.StringOf("value[i].body.content")
    // ...

    System.DebugLog("----")

    i = i + 1
Wend

// The output of the above loop:

// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAA==
// From Name: Chilkat Software
// From Addr: support@chilkatsoft.com
// To Name: Chilkat Software
// To Addr: chilkatsoft@outlook.com
// Subject: email with attachments
// Has Attachments:True
// Body Content-Type:html
// ----
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2gAAAA==
// From Name: Chilkat Software
// From Addr: support@chilkatsoft.com
// To Name: Chilkat Software
// To Addr: chilkatsoft@outlook.com
// To Name: admin@chilkat.io
// To Addr: admin@chilkat.io
// Subject: Re: Test HTML email with embedded images.
// Has Attachments:False
// Body Content-Type:html
// ----
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2QAAAA==
// From Name: Chilkat Software
// From Addr: support@chilkatsoft.com
// To Name: chilkatsoft@outlook.com
// To Addr: chilkatsoft@outlook.com
// To Name: admin@chilkat.io
// To Addr: admin@chilkat.io
// Subject: Test HTML email with embedded images.
// Has Attachments:False
// Body Content-Type:html
// ----

// ------------------------------------------------------
// This is the raw JSON response:

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('chilkatsoft%40outlook.com')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA%3D')/messages",
//   "value": [
//     {
//       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADBQ0bb\"",
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAA==",
//       "createdDateTime": "2017-05-10T00:27:40Z",
//       "lastModifiedDateTime": "2017-05-10T00:30:51Z",
//       "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADBQ0bb",
//       "categories": [
//       ],
//       "receivedDateTime": "2017-05-10T00:27:41Z",
//       "sentDateTime": "2017-05-10T00:27:12Z",
//       "hasAttachments": true,
//       "internetMessageId": "<9a65d233-0882-d346-f405-202a8b1a3acd@chilkatsoft.com>",
//       "subject": "email with attachments",
//       "bodyPreview": "This email has attachments...",
//       "importance": "normal",
//       "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA=",
//       "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQABQcNI8CG1xKpGjzxJTpoOE=",
//       "isDeliveryReceiptRequested": null,
//       "isReadReceiptRequested": false,
//       "isRead": true,
//       "isDraft": false,
//       "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAA%3D%3D&exvsurl=1&viewmodel=ReadMessageItem",
//       "inferenceClassification": "focused",
//       "body": {
//         "contentType": "html",
//         "content": "<html>...</html>\r\n"
//       },
//       "sender": {
//         "emailAddress": {
//           "name": "Chilkat Software",
//           "address": "support@chilkatsoft.com"
//         }
//       },
//       "from": {
//         "emailAddress": {
//           "name": "Chilkat Software",
//           "address": "support@chilkatsoft.com"
//         }
//       },
//       "toRecipients": [
//         {
//           "emailAddress": {
//             "name": "Chilkat Software",
//             "address": "chilkatsoft@outlook.com"
//           }
//         }
//       ],
//       "ccRecipients": [
//       ],
//       "bccRecipients": [
//       ],
//       "replyTo": [
//       ]
//     },
//     {
//       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADBQ0bZ\"",
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2gAAAA==",
//       "createdDateTime": "2017-05-10T00:25:28Z",
//       "lastModifiedDateTime": "2017-05-10T00:25:44Z",
//       "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADBQ0bZ",
//       "categories": [
//       ],
//       "receivedDateTime": "2017-05-10T00:25:28Z",
//       "sentDateTime": "2017-05-10T00:25:10Z",
//       "hasAttachments": false,
//       "internetMessageId": "<707ff357-28ea-7ebd-9409-f46d752e871f@chilkatsoft.com>",
//       "subject": "Re: Test HTML email with embedded images.",
//       "bodyPreview": "My reply...",
//       "importance": "normal",
//       "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA=",
//       "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQACYVrc_6yptKn9tuOqBiUMQ=",
//       "isDeliveryReceiptRequested": null,
//       "isReadReceiptRequested": false,
//       "isRead": true,
//       "isDraft": false,
//       "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2gAAAA%3D%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=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">...</body>\r\n</html>\r\n"
//       },
//       "sender": {
//         "emailAddress": {
//           "name": "Chilkat Software",
// 
//           "address": "support@chilkatsoft.com"
//         }
//       },
//       "from": {
//         "emailAddress": {
//           "name": "Chilkat Software",
//           "address": "support@chilkatsoft.com"
//         }
//       },
//       "toRecipients": [
//         {
//           "emailAddress": {
//             "name": "Chilkat Software",
//             "address": "chilkatsoft@outlook.com"
//           }
//         },
//         {
//           "emailAddress": {
//             "name": "admin@chilkat.io",
//             "address": "admin@chilkat.io"
//           }
//         }
//       ],
//       "ccRecipients": [
//         {
//           "emailAddress": {
//             "name": "Matt Smith",
//             "address": "chilkat.support@gmail.com"
//           }
//         }
//       ],
//       "bccRecipients": [
//       ],
//       "replyTo": [
//       ]
//     },
//     {
//       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADBQ0bY\"",
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2QAAAA==",
//       "createdDateTime": "2017-05-10T00:22:23Z",
//       "lastModifiedDateTime": "2017-05-10T00:22:45Z",
//       "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADBQ0bY",
//       "categories": [
//       ],
//       "receivedDateTime": "2017-05-10T00:22:23Z",
//       "sentDateTime": "2017-05-10T00:22:03Z",
//       "hasAttachments": false,
//       "internetMessageId": "<4da724c6-fa94-5516-81d5-9cdf152eddc5@chilkatsoft.com>",
//       "subject": "Test HTML email with embedded images.",
//       "bodyPreview": "This is a test email with images...",
//       "importance": "normal",
//       "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA=",
//       "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQACYVrc_6yptKn9tuOqBiUMQ=",
//       "isDeliveryReceiptRequested": null,
//       "isReadReceiptRequested": false,
//       "isRead": true,
//       "isDraft": false,
//       "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2QAAAA%3D%3D&exvsurl=1&viewmodel=ReadMessageItem",
//       "inferenceClassification": "focused",
//       "body": {
//         "contentType": "html",
//         "content": "<html>...</html>\r\n"
//       },
//       "sender": {
//         "emailAddress": {
//           "name": "Chilkat Software",
//           "address": "support@chilkatsoft.com"
//         }
//       },
//       "from": {
//         "emailAddress": {
//           "name": "Chilkat Software",
//           "address": "support@chilkatsoft.com"
//         }
//       },
//       "toRecipients": [
//         {
//           "emailAddress": {
//             "name": "chilkatsoft@outlook.com",
//             "address": "chilkatsoft@outlook.com"
//           }
//         },
//         {
//           "emailAddress": {
//             "name": "admin@chilkat.io",
//             "address": "admin@chilkat.io"
//           }
//         }
//       ],
//       "ccRecipients": [
//         {
//           "emailAddress": {
//             "name": "Matt Smith",
//             "address": "chilkat.support@gmail.com"
//           }
//         }
//       ],
//       "bccRecipients": [
//       ],
//       "replyTo": [
//       ]
//     }
//   ]
// 
// }