Sample code for 30+ languages & platforms
VB.NET

OneDrive -- Download to File

See more OneDrive Examples

Downloads the contents of a DriveItem directly to a file in the local filesystem.

Note: This example requires Chilkat v9.5.0.97 or greater.

Chilkat VB.NET Downloads

VB.NET
Dim success As Boolean = False

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

' This example uses the OAuth client credentials flow.
' See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

' Use your client ID, client secret, and tenant ID in the following lines
Dim json As New Chilkat.JsonObject
json.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743")
json.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
json.UpdateString("scope","https://graph.microsoft.com/.default")
json.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

Dim http As New Chilkat.Http
http.AuthToken = json.Emit()

' Download the file.
http.SetUrlVar("item_path","Pictures/three_penguins.jpg")
http.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104")
Dim url As String = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"
Dim localFilePath As String = "c:/temp/qa_output/three_penguins.jpg"
success = http.Download(url,localFilePath)
If (success <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Successfully downloaded a OneDrive file to the local filesystem.")