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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) Outlook -- Delete Email

Demonstrates how to delete email using the Microsoft Graph API.

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

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

'  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:
http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"

'  This example will search /Inbox for a message we want to delete.
'  First we need to get the folder ID for /Inbox.
'  Then we'll search for messages based on some criteria, and delete the matching messages.


'  Get the folder ID for /Inbox from the folder map created by this example
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


Dim success As Boolean = True
Dim json As New Chilkat.JsonObject
json.EmitCompact = False

'  Search for emails in this folder with the phrase "Amazon SES" in the subject, and return only the id and subject.
http.SetUrlVar("folder_id",folderId)
http.SetUrlVar("select","id,subject")
http.SetUrlVar("filter","contains(subject,'Amazon SES')")

Dim sbResponse As New Chilkat.StringBuilder
success = Await http.QuickGetSbAsync("https://graph.microsoft.com/v1.0/users/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse)
If (success <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If

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

'  Sample results:

'  	{
'  	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject)",
'  	  "value": [
'  	    {
'  	      "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl6\"",
'  	      "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=",
'  	      "subject": "Amazon SES Address Verification Request in region US West (Oregon)"
'  	    },
'  	    {
'  	      "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl7\"",
'  	      "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=",
'  	      "subject": "Amazon SES Address Verification Request in region US West (Oregon)"
'  	    }
'  	  ]
'  	}
' 

'  ------------
'  Proceed to delete each of the above emails...
Dim response As String
Dim messageId As String
Dim i As Integer = 0
Dim numEmails As Integer = json.SizeOfArray("value")
While i < numEmails
    json.I = i

    messageId = json.StringOf("value[i].id")
    http.SetUrlVar("message_id",messageId)
    Debug.WriteLine("Deleting " & messageId)
    response = Await http.QuickDeleteStrAsync("https://graph.microsoft.com/v1.0/users/me/messages/{$message_id}")
    If (http.LastMethodSuccess <> True) Then
        Debug.WriteLine(http.LastErrorText)
        Exit Sub
    End If


    '  A 204 response indicates success.
    If (http.LastStatus = 204) Then
        Debug.WriteLine("Message deleted.")
    Else
        Debug.WriteLine("Message not deleted.")
        Debug.WriteLine(response)
    End If

    i = i + 1
End While

'  Sample output:

'  Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=
'  Message deleted.
'  Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=
'  Message deleted.
' 

 

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