MainPage.xaml

<?xml version="1.0" encoding="utf-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:local="clr-namespace:XamlFlags"
             x:Class="XamlFlags.MainPage"
             x:Name="Page">
    <ContentPage.BindingContext>
        <local:MainPageViewModel />
    </ContentPage.BindingContext>
    <StackLayout BindableLayout.ItemsSource="{Binding Options}">
        <BindableLayout.ItemTemplate>
            <DataTemplate>
                <Frame CornerRadius="4" Padding="0">
                    <StackLayout Orientation="Horizontal" Padding="5" BackgroundColor="White">
                        <StackLayout.Triggers>
                            <DataTrigger TargetType="StackLayout" Binding="{Binding IsEnabled}" Value="false">
                                <Setter Property="IsEnabled" Value="false" />
                            </DataTrigger>
                            <MultiTrigger TargetType="StackLayout">
                                <MultiTrigger.Conditions>
                                    <BindingCondition Binding="{Binding IsEnabled}" Value="false"/>
                                    <BindingCondition Binding="{Binding IsSelected}" Value="false"/>
                                </MultiTrigger.Conditions>
                                <Setter Property="BackgroundColor" Value="DarkGray" />
                            </MultiTrigger>
                            <MultiTrigger TargetType="StackLayout">
                                <MultiTrigger.Conditions>
                                    <BindingCondition Binding="{Binding IsEnabled}" Value="true"/>
                                    <BindingCondition Binding="{Binding IsSelected}" Value="true"/>
                                </MultiTrigger.Conditions>
                                <Setter Property="BackgroundColor" Value="DarkBlue" />
                            </MultiTrigger>
                        </StackLayout.Triggers>
                        <Button Text="Select"
                                Command="{Binding BindingContext.SelectTypeCommand, Source={x:Reference Page}}" 
                                CommandParameter="{Binding .}"/>
                        <Label Text="✓"
                               TextColor="White"
                               FontSize="12"
                               HorizontalOptions="EndAndExpand" VerticalOptions="Center">
                            <Label.Triggers>
                                <DataTrigger TargetType="Label" Binding="{Binding IsSelected}" Value="False">
                                    <Setter Property="IsVisible" Value="False" />
                                </DataTrigger>
                            </Label.Triggers>
                        </Label>
                        <Label Text="{Binding Value}" TextColor="Black"
                               HorizontalOptions="EndAndExpand" VerticalOptions="Center">
                            <Label.Triggers>
                                <MultiTrigger TargetType="Label">
                                    <MultiTrigger.Conditions>
                                        <BindingCondition Binding="{Binding IsEnabled}" Value="false"/>
                                        <BindingCondition Binding="{Binding IsSelected}" Value="false"/>
                                    </MultiTrigger.Conditions>
                                    <Setter Property="TextColor" Value="LightGray" />
                                </MultiTrigger>
                                <MultiTrigger TargetType="Label">
                                    <MultiTrigger.Conditions>
                                        <BindingCondition Binding="{Binding IsEnabled}" Value="true"/>
                                        <BindingCondition Binding="{Binding IsSelected}" Value="true"/>
                                    </MultiTrigger.Conditions>
                                    <Setter Property="TextColor" Value="White" />
                                </MultiTrigger>
                            </Label.Triggers>
                        </Label>
                    </StackLayout>
                </Frame>
            </DataTemplate>
        </BindableLayout.ItemTemplate>
    </StackLayout>
</ContentPage>