Facebook Windows Phone Xap New ✧

<Grid x:Name="ContentPanel" Grid.Row="0" Margin="12,0,12,0"> <Grid.ColumnDefinitions> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="*"/> <RowDefinition Height="Auto"/> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <Button Grid.Column="0" Grid.Row="1" Content="Login" Click="LoginButton_Click"/> <Button Grid.Column="0" Grid.Row="2" Content="Get User Name" Click="GetUserNameButton_Click" Visibility="Collapsed" x:Name="GetUserNameButton"/> <TextBlock Grid.Column="0" Grid.Row="0" x:Name="UserNameTextBlock" HorizontalAlignment="Center" VerticalAlignment="Center"/> </Grid> You need to use the Facebook SDK for .NET. You can install it via NuGet Package Manager.