oef3xaml

<Window x:Class="Exercise3.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:Exercise3"
        mc:Ignorable="d"
        Title="MainWindow" Height="550" Width="700">
    <Window.Resources>
        <DataTemplate x:Key="wrappere">
            <TextBlock TextWrapping="Wrap" Text="{Binding Path=Description}" ></TextBlock>
        </DataTemplate>
    </Window.Resources>
    <ScrollViewer>
    <StackPanel>
        <GroupBox Header="All games" Margin="10">
            <ListView x:Name="GamesListView" Margin="10" ItemsSource="{Binding}">
                    <ListView.View>
                        <GridView>
                            <GridViewColumn Header="Name" Width="auto" DisplayMemberBinding="{Binding Path=Name}" ></GridViewColumn>
                            <GridViewColumn Header="Description" Width="400" CellTemplate="{StaticResource wrappere}"></GridViewColumn>
                        </GridView>
                    </ListView.View>

            </ListView>
        </GroupBox>
        <GroupBox x:Name="NewGameGroupBox" Header="Add a new game" Margin="10">
            <Grid>
                <Label Content="_Name" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Target="{Binding ElementName=NameTextBox}"/>
                <TextBox Text="{Binding Path=Name}" x:Name="NameTextBox" HorizontalAlignment="Left" VerticalAlignment="Top"
                             Width="150" Height="25" Margin="100,10,0,0" />

                <Label  Content="_Description" HorizontalAlignment="Left" Margin="10,50,0,0" VerticalAlignment="Top" Target="{Binding ElementName=DescriptionTextBox}"/>
                <TextBox TextWrapping="Wrap" AcceptsReturn="True" Language="nl-be" SpellCheck.IsEnabled="True" Text="{Binding Path=Description}" x:Name="DescriptionTextBox" HorizontalAlignment="Left"  VerticalAlignment="Top"
                             Width="300" Height="100" Margin="100,50,0,0" />

                <Button x:Name="AddNewGameButton" HorizontalAlignment="Left" Margin="10,170,10,10" VerticalAlignment="Top" Click="AddNewGameButton_Click">Add Game</Button>
                <TextBlock x:Name="ErrorMessageTextBlock" HorizontalAlignment="Left" Margin="100,170,10,10" VerticalAlignment="Top"
                               Foreground="Red" FontSize="14"></TextBlock>
            </Grid>
        </GroupBox>
    </StackPanel>
    </ScrollViewer>
</Window>