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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) Outlook -- List Attachments for a Specific Message

Demonstrates how to list the attachments for a particular email message.

Note: This example requires Chilkat v9.5.0.67 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:
' 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}/messages/{message_id}/attachments
' Note: It is also possible to use the literal string "me" for the current logged-on user.
' For example: GET /me/messages/{message_id}/attachments

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

' Assume we already have a message ID from previously listing the messages in a folder
Dim messageId As String = "AAMkADYzZWE3YmZmLWU0YzgtNGNkZC04MGE1LWFiYTFlNTRlY2QwYQBGAAAAAAAu7cUXL5YOTrdsUIw7-v8FBwBUcG0qWqkmQYqWLHQataQxAACnwqJUAABUcG0qWqkmQYqWLHQataQxAACnwrnOAAA="
http.SetUrlVar("message_id",messageId)

' Send the request to list the messages.
Dim success As Boolean = Await http.QuickGetSbAsync("https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/messages/{$message_id}/attachments",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


sbResponse.Clear()
json.EmitSb(sbResponse)
sbResponse.WriteFile("qa_output/attachments.txt","utf-8",False)

Debug.WriteLine("OK")

 

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