How can I retrieve a Sharepoint list from MS Teams using VB.net?

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To retrieve a SharePoint list from MS Teams using VB.net, you can use the Microsoft Graph API to query the SharePoint site within the MS Teams team. Here are the general steps:

1. Authenticate your VB.net app with Microsoft Graph using OAuth 2.0 access tokens.
2. Use the Graph API to query the SharePoint site. Your request should include the site ID or URL and the list name or ID.
3. Parse the response data and extract the relevant information about the SharePoint list, such as the item IDs, titles, and metadata.
4. Use the retrieved data as needed within your VB.net app.

Here is some example code to get started:

Dim graphClient As GraphServiceClient = New GraphServiceClient(authProvider)

' Replace the placeholders with the actual values for your SharePoint site and list
Dim siteId As String = "YOUR_SITE_ID_HERE"
Dim listName As String = "YOUR_LIST_NAME_HERE"

' Query the SharePoint list using the Microsoft Graph API
Dim listItems As IListItemsCollectionPage = Await graphClient.Sites(siteId).Lists(listName).Items.Request().GetAsync()

' Loop through the retrieved items and do something with each one
For Each item As ListItem In listItems.CurrentPage
    Console.WriteLine($"Item ID: {item.Id}, Title: {item.Fields("Title")}")
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