Value Converter Problems with Infragistics 9.2 XamDataGrid

Question

Hello All,

I am having a value converter problem with the Infragistics 9.2 XamDataGrid. Please consider the following code:

public class ToolTipFromThreatTypeConverter : IValueConverter
{
    public object Convert(
            object value,
            Type targetType,
            object parameter,
            System.Globalization.CultureInfo culture)
    {
       // "labelPresenter" is always non-null, as expected.
       LabelPresenter labelPresenter = value as LabelPresenter;

       // "field" is always null, which is not as expected.
       Field field = labelPresenter.Field;

       // ...
    }

    // public object ConvertBack( ...
}

I experience a similar problem in another converter when I cast "value" to "CellValuePresenter". The cast of "value" is non-null, but as soon as I try to drill down one level (e.g. labelPresenter.field above), I start gettig null values back.

Does anybody have any idea why these null values are coming back?

Thanks, Dave