(VB.NET) OneDrive -- List Drives

See more OneDrive Examples

Example to retrieve the list of Drive resources available for a target User or Group.

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

For more information, see https://learn.microsoft.com/en-us/onedrive/developer/rest-api/api/drive_list?view=odsp-graph-online

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' 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()

' List drives.
' You can specify a {siteId}, {groupId}, or {userId} in the URL
' to access document libraries for a group, a site, or a specific user.
' Use your specific Id instead of what we're using here:
http.SetUrlVar("userId","4fe732c3-322e-4a6b-b729-2fd1eb5c6104")
Dim resp As String = http.QuickGetStr("https://graph.microsoft.com/v1.0/users/{$userId}/drives")
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If



' The response should be JSON.
json.EmitCompact = False
json.Load(resp)

' A successful response should return a status code of 200.
If (http.LastStatus <> 200) Then
    Debug.WriteLine(json.Emit())
    Debug.WriteLine("Response status = " & http.LastStatus)
    Exit Sub
End If


Debug.WriteLine(json.Emit())

' Sample output:

' 	{
' 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#drives",
' 	  "value": [
' 	    {
' 	      "id": "3a33fceb9b74cc15",
' 	      "driveType": "personal",
' 	      "owner": {
' 	        "user": {
' 	          "displayName": "Matt Smith",
' 	          "id": "3a33fceb9b74cc15"
' 	        }
' 	      },
' 	      "quota": {
' 	        "deleted": 0,
' 	        "remaining": 1114571275977,
' 	        "state": "normal",
' 	        "total": 1115617755136,
' 	        "used": 1046479159
' 	      }
' 	    }
' 	  ]
' 	}


' Iterate over the drives in the JSON response:
Dim i As Integer = 0
Dim numDrives As Integer = json.SizeOfArray("value")
While i < numDrives
    json.I = i
    Debug.WriteLine("-- Drive " & (i + 1))
    Debug.WriteLine("id: " & json.StringOf("value[i].id"))
    ' The size will be a number larger than what can fit in a 32-bit integer.
    ' Get the integer as a string..
    Debug.WriteLine("total: " & json.StringOf("value[i].quota.total"))
    i = i + 1
End While