private void webBrowser1_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
{
// whenever the browser navigates to a new url, try parsing the url
// the url may be the result of OAuth 2.0 authentication.
FacebookOAuthResult oauthResult;
if (FacebookOAuthResult.TryParse(e.Uri, out oauthResult))
{
// The url is the result of OAuth 2.0 authentication.
if (oauthResult.IsSuccess)
{
var oauthClient = new FacebookOAuthClient {
AppId = AppId, AppSecret = AppSecret
};
// we got the code here
var code = oauthResult.Code;
oauthClient.ExchangeCodeForAccessTokenCompleted +=
(o, args) =>
{
// make sure to check that no error has occurred.
if (args.Error != null)
{
// make sure to access ui stuffs on the correct thread.
Dispatcher.BeginInvoke(
() =>
{
MessageBox.Show(args.Error.Message);
NavigationService.Navigate(new Uri("/MainPage.xaml", UriKind.Relative));
});
}
else
{
var result = (IDictionary <string, object>)args.GetResultData();
var accessToken = (string)result["access_token"];
// make sure to access ui stuffs on the correct thread.
Dispatcher.BeginInvoke(() => NavigationService.Navigate(new Uri("/FacebookInfoPage.xaml?access_token=" + accessToken, UriKind.Relative)));
}
};
oauthClient.ExchangeCodeForAccessTokenAsync(code);
}
else
{
// the user clicked don't allow or some other error occurred.
MessageBox.Show(oauthResult.ErrorDescription);
}
}
else
{
// The url is NOT the result of OAuth 2.0 authentication.
}
}
private void webBrowser_Navigated(object sender, NavigationEventArgs e)
{
Debug.WriteLine("webBrowser_Navigated: {0}", e.Uri);
FacebookOAuthResult oauthResult;
if (!FacebookOAuthResult.TryParse(e.Uri, out oauthResult) || !oauthResult.IsSuccess)
{
return;
}
var oauthClient = new FacebookOAuthClient {
AppId = ApplicationID
};
oauthClient.AppSecret = ApplicationSecret;
var code = oauthResult.Code;
// アクセストークンを要求(非同期実行)
oauthClient.ExchangeCodeForAccessTokenCompleted += oauthClient_ExchangeCodeForAccessTokenCompleted;
oauthClient.ExchangeCodeForAccessTokenAsync(code);
}