<StackPanel Margin="20,0" Orientation="Horizontal">
    <TextBlock Margin="0,0,10,0" VerticalAlignment="Center" Text="Search with:" />
    <RadioButton x:Name="rdoDates" Content="Dates" IsChecked="True" />
    <RadioButton x:Name="rdoTags" Content="Tags" IsChecked="False" />
    <RadioButton x:Name="rdoBoth" Content="Both" IsChecked="False" />
</StackPanel>

<StackPanel Orientation="Vertical">
                    <RadioButton x:Uid="radioButtonOriginalMap"
                                 Tag="OriginalMap"
                                 GroupName="Map"
                                 IsChecked="{x:Bind Vm.IsRadarOriginalMapChecked, Mode=TwoWay}"/>
                    <RadioButton x:Uid="radioButtonBingMap"
                                 GroupName="Map"
                                 Tag="BingMap"
                                 IsChecked="{x:Bind Vm.IsRadarBingMapChecked, Mode=TwoWay}"/>
</StackPanel>