/// <summary>
/// Default constructor.
/// </summary>
public DateTimeTextBox()
{
var binding = new Binding();
binding.Source = this;
binding.Path = new PropertyPath("SelectedValue");
binding.Mode = BindingMode.TwoWay;
binding.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
_converter = new DateTimeConverter();
binding.Converter = _converter;
binding.ValidationRules.Add(_converter);
this.SetBinding(TextBox.TextProperty, binding);
}