FirebaseUIWPF.xaml

<!--WPF Sample-->
<Page x:Class="Firebase.Auth.Wpf.Sample.LoginPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" d:DesignHeight="450" d:DesignWidth="800"
      xmlns:firebase="clr-namespace:Firebase.Auth.UI;assembly=Firebase.Auth.UI.WPF">
    <Grid>
        <firebase:FirebaseUIControl>
            <firebase:FirebaseUIControl.Header>
                <!--Custom content shown above the provider buttons-->
                <TextBlock 
                    HorizontalAlignment="Center"
                    Text="Hello world"
                    />
            </firebase:FirebaseUIControl.Header>
        </firebase:FirebaseUIControl>
    </Grid>
</Page>