How do I sign into Onedrive.

Question

1.00/5 (1 vote)

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I am trying to sign into Onedrive. I have downloaded Live SDK and "add reference" to it.
Here is my code:

C#

private const string msa_client_id = "00000000xxxyyyzzz";
private const string msa_client_secret = "aaabbbcccdddeeefffggg";
private string GetOneDriveRootListing()
{
   var accessToken = GetAccessToken();
   string jsonData;
   string url = string.Format(@"https://apis.live.net/v5.0/me/skydrive?access_token={0}", accessToken);
   using (var client = new WebClient())
   {
      var result = client.OpenRead(new Uri(url));
       var sr = new StreamReader(result);
      jsonData = sr.ReadToEnd();
   }

   return jsonData;
}
private string GetAccessToken()
{
    string appToken = null;
    appToken = await MicrosoftAccountOAuth.LoginAuthorizationCodeFlowAsync(msa_client_id, msa_client_secret, new[] { "wl.offline_access", "wl.basic", "wl.signin", "onedrive.readwrite" });
    return appToken;
}

I am getting an error in everything at "await" and after.
Error code:

The 'await' operator can only be used within an async method. Consider marking this method with the 'async' modifier and changing its return type to 'Task<string>'.

and

The name 'MicrosoftAccountOAuth' does not exist in the current context.

Posted 23-Apr-15 6:36am

teledexterus

Updated 23-Apr-15 6:47am

v3

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Richard Deeming · Answer 1 · 2015-04-23T09:57:00

The first error message couldn't be any clearer: you're trying to use await in a method which isn't marked as async. The message even tells you how to fix the error!

The MicrosoftAccountOAuth class appears to be part of this project[^], not part of the core SDK. Have you added a reference to the project, and a using MicrosoftAccount.WindowsForms; directive at the top of your code?

The LoginAuthorizationCodeFlowAsync method[^] doesn't return a Task<string> - it returns a Task<AppTokenResult>. You will need to update your method signature and appToken variable to match.