Modify sample apps to use new version of LoginAsync and not try to set parameters on the session. Handle another redirect case from FB dialogs (redirect to /dialog/close when you click okay in an "error message" dialog).

FBWinSDK/FBWinSDK/FBWinSDK.Shared/FacebookDialog.xaml.cpp

@@ -54,6 +54,7 @@ using namespace std;
 #define FACEBOOK_DESKTOP_SERVER_NAME L"www"
 #define FACEBOOK_MOBILE_SERVER_NAME  L"m"
 #define FACEBOOK_LOGIN_SUCCESS_PATH  L"/connect/login_success.html"
+#define FACEBOOK_DIALOG_CLOSE_PATH   L"/dialog/close"
 
 const wchar_t* ErrorObjectJson = L"{\"error\": {\"message\": " \
 L"\"Operation Canceled\", \"type\": " \
@@ -262,8 +263,7 @@ Uri^ FacebookDialog::BuildLoginDialogUrl(
     String^ displayType = DefaultDisplay;
     String^ responseType = DefaultResponse;
 
-    uriString += L"&redirect_uri=" + Uri::EscapeComponent(
-        GetRedirectUriString(L"login")) + L"%2fauth";
+    uriString += L"&redirect_uri=" + GetRedirectUriString(L"login") + L"%2fauth";
 
     // App can pass in parameters to override defaults.
     if (Parameters)
@@ -284,7 +284,7 @@ Uri^ FacebookDialog::BuildLoginDialogUrl(
         }
     }
 
-    uriString += ScopeKey + EqualSign + scope + Amp + DisplayKey + EqualSign +
+    uriString += L"&" + ScopeKey + EqualSign + scope + Amp + DisplayKey + EqualSign +
         displayType + Amp + ResponseTypeKey + EqualSign + responseType;
 
     return ref new Uri(uriString);
@@ -337,6 +337,13 @@ bool FacebookDialog::IsLoginSuccessRedirect(
     return (String::CompareOrdinal(Response->Path, FACEBOOK_LOGIN_SUCCESS_PATH) == 0);
 }
 
+bool FacebookDialog::IsDialogCloseRedirect(
+    Uri^ Response
+    )
+{
+    return (String::CompareOrdinal(Response->Path, FACEBOOK_DIALOG_CLOSE_PATH) == 0);
+}
+
 void FacebookDialog::dialogWebView_LoginNavStarting(
     WebView^ sender, 
     WebViewNavigationStartingEventArgs^ e
@@ -362,6 +369,15 @@ void FacebookDialog::dialogWebView_LoginNavStarting(
             _dialogResponse = ref new FBResult(err);
         }
     }
+    else if (IsDialogCloseRedirect(e->Uri))
+    {
+        dialogWebBrowser->Stop();
+
+        UninitDialog();
+
+        FBError^ err = FBError::FromJson(ref new String(ErrorObjectJson));
+        _dialogResponse = ref new FBResult(err);
+    }
 }
 
 void FacebookDialog::dialogWebView_FeedNavStarting(
@@ -391,6 +407,15 @@ void FacebookDialog::dialogWebView_FeedNavStarting(
             _dialogResponse = ref new FBResult(err);
         }
     }
+    else if (IsDialogCloseRedirect(e->Uri))
+    {
+        dialogWebBrowser->Stop();
+
+        UninitDialog();
+
+        FBError^ err = FBError::FromJson(ref new String(ErrorObjectJson));
+        _dialogResponse = ref new FBResult(err);
+    }
 }
 
 void FacebookDialog::dialogWebView_RequestNavStarting(
@@ -420,6 +445,15 @@ void FacebookDialog::dialogWebView_RequestNavStarting(
             _dialogResponse = ref new FBResult(err);
         }
     }
+    else if (IsDialogCloseRedirect(e->Uri))
+    {
+        dialogWebBrowser->Stop();
+
+        UninitDialog();
+
+        FBError^ err = FBError::FromJson(ref new String(ErrorObjectJson));
+        _dialogResponse = ref new FBResult(err);
+    }
 }
 
 void FacebookDialog::CloseDialogButton_OnClick(

FBWinSDK/FBWinSDK/FBWinSDK.Shared/FacebookDialog.xaml.h

@@ -114,6 +114,10 @@ namespace Facebook
             Windows::Foundation::Uri^ Response
             );
 
+        bool IsDialogCloseRedirect(
+            Windows::Foundation::Uri^ Response
+            );
+        
         void OnSizeChanged(
             Windows::UI::Core::CoreWindow ^sender,
             Windows::UI::Core::WindowSizeChangedEventArgs ^args

samples/LoginCpp-UWP/LoginCpp/MainPage.xaml.cpp

@@ -85,13 +85,18 @@ void MainPage::login_OnClicked(Platform::Object^ sender, Windows::UI::Xaml::Rout
 	}
 	else
 	{
-		sess->AddPermission("public_profile");
-		sess->AddPermission("user_friends");
-		sess->AddPermission("user_likes");
-		sess->AddPermission("user_groups");
-		sess->AddPermission("user_location");
+		//sess->AddPermission("public_profile");
+		//sess->AddPermission("user_friends");
+		//sess->AddPermission("user_likes");
+		//sess->AddPermission("user_groups");
+		//sess->AddPermission("user_location");
 
-		create_task(sess->LoginAsync(nullptr)).then([=](FBResult^ result)
+        PropertySet^ parameters = ref new PropertySet();
+
+        parameters->Insert(L"scope", 
+            L"public_profile,user_friends,user_likes,user_groups,user_location");
+
+		create_task(sess->LoginAsync(parameters)).then([=](FBResult^ result)
 		{
 			if (result->Succeeded)
 			{

samples/LoginCs/LoginCs/LoginCs.Shared/App.xaml.cs

@@ -102,11 +102,11 @@ namespace LoginCs
 #else
             sess.WinAppId = loader.GetString(FBStoreAppIDName);
 #endif
-            sess.AddPermission("public_profile");
-            sess.AddPermission("user_friends");
-            sess.AddPermission("email");
-            sess.AddPermission("user_likes");
-            sess.AddPermission("user_groups");
+            //sess.AddPermission("public_profile");
+            //sess.AddPermission("user_friends");
+            //sess.AddPermission("email");
+            //sess.AddPermission("user_likes");
+            //sess.AddPermission("user_groups");
         }
 
         /// <summary>

samples/LoginCs/LoginCs/LoginCs.WindowsPhone/MainPage.xaml.cs

@@ -69,13 +69,17 @@ namespace LoginCs
             s.WinAppId = winAppId;
 
             // These are the default permissions, needed to retrieve user info.
-            s.AddPermission("public_profile");
-            s.AddPermission("user_friends");
-            s.AddPermission("user_likes");
+            //s.AddPermission("public_profile");
+            //s.AddPermission("user_friends");
+            //s.AddPermission("user_likes");
 
+            PropertySet parameters = new PropertySet();
+            parameters.Add(
+                new KeyValuePair<string, object>("scope", 
+                    "public_profile,user_friends,user_likes"));
             // Launches a URI to redirect to the FB app, which will log us in
             // and return the result via our registered protocol.
-            await s.LoginAsync(null);
+            await s.LoginAsync(parameters);
         }
 
         /// <summary>