MainPage.xaml.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using CommunityToolkit.Authentication;
using CommunityToolkit.Graph.Extensions;
using Windows.UI.Xaml.Controls;

namespace UwpWindowsProviderSample
{
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
            
            ProviderManager.Instance.ProviderStateChanged += OnProviderStateChanged;
        }

        private async void OnProviderStateChanged(object sender, ProviderStateChangedEventArgs e)
        {
            if (e.NewState == ProviderState.SignedIn)
            {
                ManagerButton.IsEnabled = true;
                SignedInUserTextBlock.Text = "Signed in as...";

                var graphClient = ProviderManager.Instance.GlobalProvider.GetClient();
                var me = await graphClient.Me.Request().GetAsync();

                SignedInUserTextBlock.Text = "Signed in as: " + me.DisplayName;
            }
            else
            {
                SignedInUserTextBlock.Text = "Please sign in.";
                ManagerButton.IsEnabled = false;
            }
        }
    }
}