VB.NET UWP/WinRT Google Drive: Get Starting pageToken for Listing Future Changes

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Gets the starting pageToken for listing future changes.

Documentation: https://developers.google.com/drive/v3/reference/changes/getStartPageToken

Dim rest As New Chilkat.Rest
Dim success As Boolean

'   Provide a previously obtained OAuth2 access token.
Dim oauth2 As New Chilkat.OAuth2
oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
rest.SetAuthOAuth2(oauth2)

success = Await rest.ConnectAsync("www.googleapis.com",443,True,True)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


rest.AddQueryParam("teamDriveId","0AEd3EhGff2SaUk9PVA")
rest.AddQueryParam("supportsTeamDrives","true")

Dim sbJson As New Chilkat.StringBuilder
success = Await rest.FullRequestNoBodySbAsync("GET","/drive/v3/changes/startPageToken",sbJson)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


If (rest.ResponseStatusCode <> 200) Then
    Debug.WriteLine("Received error response code: " & rest.ResponseStatusCode)
    Debug.WriteLine("Response body:")
    Debug.WriteLine(sbJson.GetAsString())
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
json.LoadSb(sbJson)

'  The following code parses the JSON response.
'  A sample JSON response is shown below the sample code.
Dim kind As String
Dim startPageToken As String

kind = json.StringOf("kind")
startPageToken = json.StringOf("startPageToken")



Debug.WriteLine("Example Completed.")

Sample JSON Response Body

{
  "kind": "drive#startPageToken",
  "startPageToken": "13"
}