(VB.NET) List Groups

List all the groups available in an organization, including but not limited to Office 365 Groups.

See https://docs.microsoft.com/en-us/graph/api/group-list?view=graph-rest-1.0 for more information.

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

' 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 as shown here:
'    Get Microsoft Graph OAuth2 Access Token with Group.ReadWrite.All scope.

Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean = jsonToken.LoadFile("qa_data/tokens/msGraphGroup.json")
If (success = False) Then
    Debug.WriteLine(jsonToken.LastErrorText)
    Exit Sub
End If

http.AuthToken = jsonToken.StringOf("access_token")

' Send a GET request to https://graph.microsoft.com/v1.0/groups?$orderby=displayName
Dim strResponse As String = http.QuickGetStr("https://graph.microsoft.com/v1.0/groups?$orderby=displayName")
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
json.Load(strResponse)
json.EmitCompact = False

If (http.LastStatus <> 200) Then
    Debug.WriteLine(json.Emit())
    Debug.WriteLine("Failed, response status code = " & http.LastStatus)
    Exit Sub
End If


Debug.WriteLine(json.Emit())

' Sample output:
' (See parsing code below..)

' {
'     "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#groups",
'     "value": [
'         {
'             "id": "45b7d2e7-b882-4a80-ba97-10b7a63b8fa4",
'             "deletedDateTime": null,
'             "classification": null,
'             "createdDateTime": "2018-12-22T02:21:05Z",
'             "creationOptions": [],
'             "description": "Self help community for golf",
'             "displayName": "Golf Assist",
'             "groupTypes": [
'                 "Unified"
'             ],
'             "mail": "golfassist@contoso.com",
'             "mailEnabled": true,
'             "mailNickname": "golfassist",
'             "onPremisesLastSyncDateTime": null,
'             "onPremisesSecurityIdentifier": null,
'             "onPremisesSyncEnabled": null,
'             "preferredDataLocation": "CAN",
'             "proxyAddresses": [
'                 "smtp:golfassist@contoso.onmicrosoft.com",
'                 "SMTP:golfassist@contoso.com"
'             ],
'             "renewedDateTime": "2018-12-22T02:21:05Z",
'             "resourceBehaviorOptions": [],
'             "resourceProvisioningOptions": [],
'             "securityEnabled": false,
'             "visibility": "Public",
'             "onPremisesProvisioningErrors": []
'         },
'         {
'             "id": "d7797254-3084-44d0-99c9-a3b5ab149538",
'             "deletedDateTime": null,
'             "classification": null,
'             "createdDateTime": "2018-11-19T20:29:40Z",
'             "creationOptions": [],
'             "description": "Talk about golf",
'             "displayName": "Golf Discussion",
'             "groupTypes": [],
'             "mail": "golftalk@contoso.com",
'             "mailEnabled": true,
'             "mailNickname": "golftalk",
'             "onPremisesLastSyncDateTime": null,
'             "onPremisesSecurityIdentifier": null,
'             "onPremisesSyncEnabled": null,
'             "preferredDataLocation": "CAN",
'             "proxyAddresses": [
'                 "smtp:golftalk@contoso.onmicrosoft.com",
'                 "SMTP:golftalk@contoso.com"
'             ],
'             "renewedDateTime": "2018-11-19T20:29:40Z",
'             "resourceBehaviorOptions": [],
'             "resourceProvisioningOptions": [],
'             "securityEnabled": false,
'             "visibility": null,
'             "onPremisesProvisioningErrors": []
'         }
'     ]
' }
' 
' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

Dim odataContext As String
Dim i As Integer
Dim count_i As Integer
Dim id As String
Dim deletedDateTime As String
Dim classification As String
Dim createdDateTime As String
Dim description As String
Dim displayName As String
Dim mail As String
Dim mailEnabled As Boolean
Dim mailNickname As String
Dim onPremisesLastSyncDateTime As String
Dim onPremisesSecurityIdentifier As String
Dim onPremisesSyncEnabled As String
Dim preferredDataLocation As String
Dim renewedDateTime As String
Dim securityEnabled As Boolean
Dim visibility As String
Dim j As Integer
Dim count_j As Integer
Dim strVal As String

odataContext = json.StringOf("""@odata.context""")
i = 0
count_i = json.SizeOfArray("value")
While i < count_i
    json.I = i
    id = json.StringOf("value[i].id")
    deletedDateTime = json.StringOf("value[i].deletedDateTime")
    classification = json.StringOf("value[i].classification")
    createdDateTime = json.StringOf("value[i].createdDateTime")
    description = json.StringOf("value[i].description")
    displayName = json.StringOf("value[i].displayName")
    mail = json.StringOf("value[i].mail")
    mailEnabled = json.BoolOf("value[i].mailEnabled")
    mailNickname = json.StringOf("value[i].mailNickname")
    onPremisesLastSyncDateTime = json.StringOf("value[i].onPremisesLastSyncDateTime")
    onPremisesSecurityIdentifier = json.StringOf("value[i].onPremisesSecurityIdentifier")
    onPremisesSyncEnabled = json.StringOf("value[i].onPremisesSyncEnabled")
    preferredDataLocation = json.StringOf("value[i].preferredDataLocation")
    renewedDateTime = json.StringOf("value[i].renewedDateTime")
    securityEnabled = json.BoolOf("value[i].securityEnabled")
    visibility = json.StringOf("value[i].visibility")
    j = 0
    count_j = json.SizeOfArray("value[i].creationOptions")
    While j < count_j
        json.J = j
        ' ...
        j = j + 1
    End While
    j = 0
    count_j = json.SizeOfArray("value[i].groupTypes")
    While j < count_j
        json.J = j
        strVal = json.StringOf("value[i].groupTypes[j]")
        j = j + 1
    End While
    j = 0
    count_j = json.SizeOfArray("value[i].proxyAddresses")
    While j < count_j
        json.J = j
        strVal = json.StringOf("value[i].proxyAddresses[j]")
        j = j + 1
    End While
    j = 0
    count_j = json.SizeOfArray("value[i].resourceBehaviorOptions")
    While j < count_j
        json.J = j
        ' ...
        j = j + 1
    End While
    j = 0
    count_j = json.SizeOfArray("value[i].resourceProvisioningOptions")
    While j < count_j
        json.J = j
        ' ...
        j = j + 1
    End While
    j = 0
    count_j = json.SizeOfArray("value[i].onPremisesProvisioningErrors")
    While j < count_j
        json.J = j
        ' ...
        j = j + 1
    End While
    i = i + 1
End While

Debug.WriteLine("Success.")