Override Binding Converter Demo

public class FooViewModel : ReactiveObject
{
  DateTime dueDate;

  public DateTime DueDate
  {
    get { return dueDate; }
    set { this.RaiseAndSetIfChanged(ref dueDate, value); }
  }
}
    
public class DueDateConverter : IBindingTypeConverter
{
  #region IBindingTypeConverter implementation

  public int GetAffinityForObjects(Type lhs, Type rhs)
  {
    // Too bad, I will never be called
    throw new NotImplementedException();
  }

  public bool TryConvert(object from, Type toType, object conversionHint, out object result)
  {
    var dt = (DateTime)from;
    return dt < DateTime.UtcNow ? "Date lies in the past" : "Date lies in the future";
  }

  #endregion
}
    
this.OneWayBind(ViewModel, (x)=> x.DueDate, (view)=> view.DueDateLabel.Text, null, new DueDateConverter());