WPF DataGrid 突出显示与所选单元格匹配的列中的所有单元格

我用一个自定义类填充了一个ObservableCollection<>（也尝试了一个List<>）。我已将集合绑定到 DataGrid 并定义了列。现在我想选择一个单元格并突出显示其中具有相同字符串的其他单元格（在同一列中，尽管其他列中的数据永远不会匹配）。

<Window.Resources>
    <local:CellHighlighterConverter x:Key="cellHighlighterConverter" />
    <CollectionViewSource x:Key="ScanCollectionViewSource" CollectionViewType="ListCollectionView" />
    <Style x:Key="CenterCell" TargetType="TextBlock">
        <Setter Property="TextBlock.TextAlignment" Value="Center" />
    </Style>
    <Style x:Key="CellPad" TargetType="TextBlock">
        <Setter Property="Margin" Value="15,0,15,0" />
    </Style>
    <Style x:Key="CellHighlighterStyle" TargetType="TextBlock" >
        <Setter Property="Background" Value="{Binding IsMatching, NotifyOnSourceUpdated=True, Converter={StaticResource cellHighlighterConverter}}" />
        <Setter Property="TextBlock.TextAlignment" Value="Center" />
    </Style>
</Window.Resources>
<Grid HorizontalAlignment="Center" >
    <DataGrid x:Name="scans" DataContext="{StaticResource ScanCollectionViewSource}" ItemsSource="{Binding}" AutoGenerateColumns="False" FontFamily="Lucida Console" Margin="10" MouseUp="scans_MouseUp" >
        <DataGrid.Columns>
            <DataGridTextColumn Header="Device Name" Binding="{Binding Hostname}" Width="125" />
            <DataGridTextColumn Header="Scan Date" Binding="{Binding ScanDate}" Width="75" ElementStyle="{StaticResource CenterCell}" />
            <DataGridTextColumn Header="GUID" Binding="{Binding GUID}" Width="300" ElementStyle="{StaticResource CenterCell}" />
            <DataGridTextColumn Header="MAC" Binding="{Binding MAC}" Width="105" ElementStyle="{StaticResource CellHighlighterStyle}" />
        </DataGrid.Columns>
    </DataGrid>
</Grid>

背后的代码

private ObservableCollection<Scan> ReadFiles()
    {
        scanList = new List<Scan>();
        ...
        foreach(string file in files)
        {
            Scan newScan = new Scan();
            ...fill newScan with data
            scanList.Add(newScan);
        }
        scanList = scanList.OrderBy(x => x.Hostname).ThenByDescending(x => x.ScanDate).ToList();
        scanCollection = new ObservableCollection<Scan>(scanList);
        return scanCollection;        
   }

我试图实现这一目标的方法。向类添加了一个属性，然后在鼠标悬停时，如果数据匹配（这有效），则设置该属性，然后使用转换器根据该数据设置背景。网格不刷新或其他错误。我是在正确的轨道上还是有更好的方法？

private void scans_MouseUp(object sender, MouseButtonEventArgs e)
    {
        string selMAC = ((Scan)((DataGrid)sender).SelectedValue).MAC;
        foreach (Scan scan in scanList)//((DataGrid)sender).Items.OfType<Scan>().ToList() )
        {
            // compare values
            if (scan.MAC == selMAC)
            {
                scan.IsMatch = true;
            } else
            {
                scan.IsMatch = false;
            }
            //scans.Items.Refresh();
        }
    }
}

public class CellHighlighterConverter : IValueConverter
{

    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if( (Boolean)value )
        {
            return new SolidColorBrush(Colors.Green);
        }
        return SystemColors.AppWorkspaceColor;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}


public class Scan
{
    public Scan()
    {
        this.IsMatch = false;
    }

    public string Hostname { get; set; }
    public string ScanDate { get; set; }
    public string GUID { get; set; }
    public string MAC { get; set; }
    public bool IsMatch { get; set; }
}