<Window x:Class="ksiegarnia.MainWindow"
        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:ksiegarnia"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525"
        Language="pl-PL">

    <Window.Resources>

        <local:PriceToBackgroundConverter
 x:Key="PriceToBackgroundConverter"
 DefaultBrush="{x:Null}" HighlightBrush="GreenYellow"
 MaximumPriceToHighlight="29.99"/>

    </Window.Resources>

    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition  />
            <ColumnDefinition  />

        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition  />

        </Grid.RowDefinitions>
        <ListBox Name="lista" Margin="5"
HorizontalContentAlignment="Stretch">
            <ListBox.ItemTemplate>
                <DataTemplate>
                    <Border Margin="5" BorderThickness="1"
 BorderBrush="SteelBlue" CornerRadius="4">
                        <Grid Margin="3">
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <TextBlock FontWeight="Bold"
 Text="{Binding Path=Title}"></TextBlock>
                            <TextBlock Grid.Row="1" Text="{Binding
 Path=Author}"></TextBlock>
                        </Grid>
                    </Border>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>



        <Grid Grid.Column="1" DataContext="{Binding
        ElementName=lista, Path=SelectedItem}" Background="{Binding
 Path=Price, Converter={StaticResource
 PriceToBackgroundConverter}}" >

            <Grid.ColumnDefinitions>
                <ColumnDefinition  Width="auto"/>
                <ColumnDefinition  />

            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition  Height="Auto"/>
                <RowDefinition  Height="auto"/>
            </Grid.RowDefinitions>
            <Label Grid.Column="0" Grid.Row="0">Tytuł:</Label>
            <TextBox  Grid.Column="1" Grid.Row="0" Text="{Binding Path=Title}" />
            <Label Grid.Column="0" Grid.Row="1">Autor:</Label>
            <TextBox Grid.Column="1" Grid.Row="1" Text="{Binding Path=Author}"/>
            <Label Grid.Column="0" Grid.Row="2">Cena:</Label>
            <TextBox Grid.Column="1" Grid.Row="2" >
                <TextBox.Text>
                    <Binding Path="Price">
                        <Binding.Converter>
                            <local:PriceConverter/>
                        </Binding.Converter>
                    </Binding>
                </TextBox.Text>
            </TextBox>
        </Grid>
    </Grid>

</Window>