How Do I Upload an Image to a Facebook Page?

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Visual-Studio

WPF

C#3.5

, +

Hi,

I am currently doing an application which allows users to upload an image to the Facebook Page Album.

This is the code:

if(e.Uri.ToString().StartsWith("http://www.facebook.com/connect/login_success.html"))
{
    AccessToken = e.Uri.Fragment.Split('&')[0].Replace("#access_token=", "");
    MessageBox.Show(AccessToken);
    FBClient = new FacebookClient(AccessToken);
    
    FacebookMediaObject mediaObject = new FacebookMediaObject
    {
        FileName = "photo1",
        ContentType = "image/jpeg"
    };

    var bytes = System.IO.File.ReadAllBytes("C:\\Users\\user\\Downloads\\WpfCloud\\WpfCloud\\WpfCloud\\photo1.jpg");
    mediaObject.SetValue(bytes);

    var postInfo = new Dictionary<string,>();
    postInfo.Add("message", "MD ALIF");
    postInfo.Add("image", mediaObject);

    FBClient.Post("/" + "1561850604041740" +  "/photos", postInfo);
}

But at the last line "FBClient.Post("/" + "1561850604041740" + "/photos", postInfo);" I am receiving an error saying that "a user access token is required at this resource".

I am still new to WPF and C# so help needed. Thanks in advance.


[Edit member="Tadit"]
Added pre tags.
[/Edit]