VB.NET
VB.NET
Outlook -- List Selected Fields in Messages
See more Outlook Examples
Demonstrates how to list the messages in a particular Outlook mailbox folder, but selects particular fields to be returned.This uses the OData $select system query option. See OData System Query Option $select for general information.
Also see OData URL Conventions for information about $select and other query options.
Note: This example requires Chilkat v9.5.0.68 or greater.
This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
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Dim success As Boolean = False
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
Dim http As New Chilkat.Http
' Use your previously obtained access token here:
' See the following examples for getting an access token:
' Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
' Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
' Refresh Access Token (Azure AD v2.0 Endpoint).
' Refresh Access Token (Azure AD Endpoint).
http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"
Dim sbResponse As New Chilkat.StringBuilder
' In this example, we'd like to get the messages in the folder "/Inbox",
' but we must specify the corresponding folder_id. The best way to do this is to create
' a local map of folderPaths-to-folderIds.
' This example does it: Create Outlook Folder Map)
Dim htFolderMap As New Chilkat.Hashtable
Dim sbMap As New Chilkat.StringBuilder
sbMap.LoadFile("qa_data/outlook/folderMap.xml","utf-8")
htFolderMap.AddFromXmlSb(sbMap)
' Get the ID for the "/Inbox" folder:
Dim folderId As String = htFolderMap.LookupStr("/Inbox")
If (htFolderMap.LastMethodSuccess <> True) Then
Debug.WriteLine("Folder ID not found")
Exit Sub
End If
http.SetUrlVar("folder_id",folderId)
' Send the request to list the messages, returning only the subject and from address.
success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$select=subject,from",sbResponse)
If ((success <> True) And (http.LastStatus = 0)) Then
Debug.WriteLine(http.LastErrorText)
Exit Sub
End If
Dim json As New Chilkat.JsonObject
json.LoadSb(sbResponse)
json.EmitCompact = False
Debug.WriteLine("Status code = " & http.LastStatus)
If (http.LastStatus <> 200) Then
Debug.WriteLine(json.Emit())
Debug.WriteLine("Failed.")
End If
Debug.WriteLine(json.Emit())
' In my test case, the raw JSON returned is shown below.
' Iterate over the messages to get information about each..
Dim i As Integer = 0
Dim numMessages As Integer = 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 = json.StringOf("value[i].id")
Debug.WriteLine("id: " & messageId)
Debug.WriteLine("From Name: " & json.StringOf("value[i].from.emailAddress.name"))
Debug.WriteLine("From Addr: " & json.StringOf("value[i].from.emailAddress.address"))
Debug.WriteLine("Subject: " & json.StringOf("value[i].subject"))
Debug.WriteLine("--")
i = i + 1
End While
' The output of the above loop:
'
' id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1oAAAA=
' From Name: Chilkat Software
' From Addr: admin@chilkat.io
' Subject: This is an example email from chilkat.io
' --
' id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1kAAAA=
' From Name: Chilkat Support
' From Addr: chilkat.support@gmail.com
' Subject: Hello from GMail
' --
' id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAHrLra8AAAA=
' From Name: Microsoft Office 365
' From Addr: MicrosoftOffice365@email.office.com
' Subject: The latest for you in Office 365
' --
' id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=
' From Name: Amazon Web Services
' From Addr: no-reply-aws@amazon.com
' Subject: Amazon SES Address Verification Request in region US West (Oregon)
' --
' id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=
' From Name: Amazon Web Services
' From Addr: no-reply-aws@amazon.com
' Subject: Amazon SES Address Verification Request in region US West (Oregon)
' --
' id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAAG6l8UAAAA=
' From Name: Microsoft
' From Addr: msa@communication.microsoft.com
' Subject: Updates to our terms of use and privacy statement
' --
'
' ------------------------------------------------------
' This is the raw JSON response:
' {
' "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(subject,from)",
' "value": [
' {
' "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfo\"",
' "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1oAAAA=",
' "subject": "This is an example email from chilkat.io",
' "from": {
' "emailAddress": {
' "name": "Chilkat Software",
' "address": "admin@chilkat.io"
' }
' }
' },
' {
' "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfn\"",
' "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1kAAAA=",
' "subject": "Hello from GMail",
' "from": {
' "emailAddress": {
' "name": "Chilkat Support",
' "address": "chilkat.support@gmail.com"
' }
' }
' },
' {
' "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAB63d8O\"",
' "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAHrLra8AAAA=",
' "subject": "The latest for you in Office 365",
' "from": {
' "emailAddress": {
' "name": "Microsoft Office 365",
' "address": "MicrosoftOffice365@email.office.com"
' }
' }
' },
' {
' "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl7\"",
' "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=",
' "subject": "Amazon SES Address Verification Request in region US West (Oregon)",
' "from": {
' "emailAddress": {
' "name": "Amazon Web Services",
' "address": "no-reply-aws@amazon.com"
' }
' }
' },
' {
' "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl6\"",
' "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=",
' "subject": "Amazon SES Address Verification Request in region US West (Oregon)",
' "from": {
' "emailAddress": {
' "name": "Amazon Web Services",
' "address": "no-reply-aws@amazon.com"
' }
' }
' },
' {
' "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAAGt5YG\"",
' "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAAG6l8UAAAA=",
' "subject": "Updates to our terms of use and privacy statement",
' "from": {
' "emailAddress": {
' "name": "Microsoft",
' "address": "msa@communication.microsoft.com"
' }
' }
' }
' ]
' }