MainPage.xaml

<Page x:Class="UwpWindowsProviderSample.MainPage"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
      xmlns:local="using:UwpWindowsProviderSample"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
      xmlns:controls="using:CommunityToolkit.Graph.Uwp.Controls"
      Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
      mc:Ignorable="d">

    <StackPanel>
        <controls:LoginButton />
        <local:AccountManagerButton x:Name="ManagerButton"
                                    Margin="0,8,0,0"
                                    IsEnabled="False" />
        <TextBlock x:Name="SignedInUserTextBlock" />
    </StackPanel>
</Page>