<Window x:Class="COMTRADEConverter.ErrorMessagesWindow"        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:COMTRADEConverter"        mc:Ignorable="d"        Title="ErrorMessagesWindow" Height="300" Width="1280">    <DockPanel Margin="5,0,5,5">        <DockPanel DockPanel.Dock="Top" LastChildFill="False">            <Button DockPanel.Dock="Left" Content="Clear List" Click="ClearButtonClicked"/>        </DockPanel>        <ListView DockPanel.Dock="Top"            ItemsSource="{Binding ExceptionList, Mode=OneWay}">            <ListView.View>                <GridView>                    <GridViewColumn Header="Offender" DisplayMemberBinding="{Binding Source}" />                    <GridViewColumn Header="Message" DisplayMemberBinding="{Binding Message}" />                </GridView>            </ListView.View>        </ListView>    </DockPanel></Window>