diff --git a/3rdparty/cpprestsdk/samples/WindowsLiveAuth/MainPage.xaml.cpp b/3rdparty/cpprestsdk/samples/WindowsLiveAuth/MainPage.xaml.cpp
deleted file mode 100644
index 00fdec53eab331491035dedf46806b93cdae02b1..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/WindowsLiveAuth/MainPage.xaml.cpp
+++ /dev/null
@@ -1,213 +0,0 @@
-/***
-* ==++==
-*
-* Copyright (c) Microsoft Corporation. All rights reserved.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-****/
-
-#include "pch.h"
-#include "MainPage.xaml.h"
-#include "cpprest/filestream.h"
-
-using namespace WindowsLiveAuth;
-
-using namespace Platform;
-using namespace Windows::Foundation;
-using namespace Windows::Foundation::Collections;
-using namespace Windows::UI::Xaml;
-using namespace Windows::UI::Xaml::Controls;
-using namespace Windows::UI::Xaml::Controls::Primitives;
-using namespace Windows::UI::Xaml::Data;
-using namespace Windows::UI::Xaml::Input;
-using namespace Windows::UI::Xaml::Media;
-using namespace Windows::UI::Xaml::Navigation;
-
-using namespace Platform::Collections;
-using namespace Windows::Security::Authentication::OnlineId;
-
-// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
-
-MainPage::MainPage()
-{
- InitializeComponent();
-}
-
-///
-/// Invoked when this page is about to be displayed in a Frame.
-///
-/// Event data that describes how this page was reached. The Parameter
-/// property is typically used to configure the page.
-void MainPage::OnNavigatedTo(NavigationEventArgs^ e)
-{
- (void) e; // Unused parameter
-}
-
-static web::live::live_client lv_client;
-
-void MainPage::Button_Click_1(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
-{
- try
- {
- auto ui_ctx = pplx::task_continuation_context::use_current();
-
- std::vector scopes;
- scopes.push_back(web::live::scopes::wl_basic);
- scopes.push_back(web::live::scopes::wl_skydrive);
- scopes.push_back(web::live::scopes::wl_skydrive_update);
- lv_client.login(std::begin(scopes), std::end(scopes)).then([this](bool ok)
- {
- if (ok)
- {
- this->LogOutButton->Visibility = Windows::UI::Xaml::Visibility::Visible;
- this->LogInButton->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
-
- this->Block1->Text = ref new Platform::String((L"access_token = \n" + lv_client.access_token()).c_str());
- }
- }, ui_ctx);
- }
- catch(...)
- {
- }
-}
-
-void MainPage::LogOutButton_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
-{
- auto ui_ctx = pplx::task_continuation_context::use_current();
-
- lv_client.logout().then([this](bool)
- {
- this->LogOutButton->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
- this->LogInButton->Visibility = Windows::UI::Xaml::Visibility::Visible;
- }, ui_ctx);
-}
-
-// The following functions let you get information for an arbitrary WL resource, upload a file, or download a file.
-// Use the Live Connect Interactive SDK on MSDN to explore your WL data and then try the same here.
-//
-// Some other things to try:
-//
-// delete a file using lv_client.remove()
-// copy or move a file using lv_client.copy() and lv_client.move().
-// create a contact using lv_client.post()
-// modify a calendar event using lv_client.put()
-//
-void MainPage::Button_Click_2(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
-{
- auto ui_ctx = pplx::task_continuation_context::use_current();
-
- lv_client.get(this->Box1->Text->Data()).then(
- [this](pplx::task value)
- {
- try
- {
- auto str = value.get().serialize();
- this->Block1->Text = ref new Platform::String(str.c_str());
- }
- catch(std::exception& exc)
- {
- this->Block1->Text = ref new Platform::String(utility::conversions::to_string_t(exc.what()).c_str());
- }
- }, ui_ctx);
-
-}
-
-
-void MainPage::UploadButton_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
-{
- this->Block1->Text = ref new Platform::String(L"Processing request...");
-
- auto ui_ctx = pplx::task_continuation_context::use_current();
-
- auto filePicker = ref new Windows::Storage::Pickers::FileOpenPicker();
- filePicker->ViewMode = Windows::Storage::Pickers::PickerViewMode::List;
- filePicker->FileTypeFilter->Append(ref new Platform::String(L".txt"));
- filePicker->FileTypeFilter->Append(ref new Platform::String(L".jpg"));
- filePicker->FileTypeFilter->Append(ref new Platform::String(L".pdf"));
- filePicker->FileTypeFilter->Append(ref new Platform::String(L".docx"));
- filePicker->FileTypeFilter->Append(ref new Platform::String(L".doc"));
-
- auto file = filePicker->PickSingleFileAsync();
-
- utility::string_t path = this->Box1->Text->Data();
-
- pplx::create_task(file)
- .then([path](Windows::Storage::StorageFile^ file)
- {
- if ( file == nullptr )
- {
- throw std::exception("No file was picked");
- }
-
- auto full_path = path + L"/" + file->Name->Data();
-
- return lv_client.upload(full_path, file);
- })
- .then([this](pplx::task response)
- {
- try
- {
- auto message = response.get().serialize();
- this->Block1->Text = ref new Platform::String(message.c_str());
- }
- catch(std::exception& exc)
- {
- this->Block1->Text = ref new Platform::String(utility::conversions::to_string_t(exc.what()).c_str());
- }
- }, ui_ctx);
-}
-
-
-void MainPage::DownloadButton_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
-{
- this->Block1->Text = ref new Platform::String(L"Processing request...");
-
- auto ui_ctx = pplx::task_continuation_context::use_current();
- utility::string_t path = this->Box1->Text->Data();
-
- // Start by getting the file metadata from OneDrive. We need the file name.
- lv_client.get(path)
- .then([this](web::json::value file_info)
- {
- if (!file_info.is_object())
- throw std::exception("unexpected file info response format");
-
- auto name = file_info[L"name"].as_string();
-
- // Once we have the name, we can create a storage file in the downloads folder.
-
- return pplx::create_task(
- Windows::Storage::DownloadsFolder::CreateFileAsync(
- ref new Platform::String(name.c_str()),
- Windows::Storage::CreationCollisionOption::GenerateUniqueName));
- })
- .then([path,ui_ctx,this](Windows::Storage::StorageFile^ file)
- {
- if ( file == nullptr )
- throw std::exception("unexpected file info response format");
- auto name = file->Name;
- // With a file reference in hand, we download the file.
- return lv_client.download(path, file);
- })
- .then([this](pplx::task response)
- {
- try
- {
- response.wait();
- this->Block1->Text = ref new Platform::String(L"Download complete.");
- }
- catch(std::exception& exc)
- {
- this->Block1->Text = ref new Platform::String(utility::conversions::to_string_t(exc.what()).c_str());
- }
- }, ui_ctx);
-}