WPF Tips: Data Binding Converter: bool and IsChecked attributes (bool ?) Conversion

    /// <summary>    /// Value converter between bool and IsChecked property value (bool?)    /// </summary>    [ValueConversion(typeof(bool), typeof(bool?))]    public class IsCheckedConverter : IValueConverter    {        #region IValueConverter Members        /// <summary>        /// Converts the specified value.        /// </summary>        /// <param name="value">The value.</param>        /// <param name="targetType">Type of the target.</param>        /// <param name="parameter">The parameter.</param>        /// <param name="culture">The culture.</param>        /// <returns></returns>        public object Convert(            object value,             Type targetType,             object parameter,             CultureInfo culture)        {            return (bool)value;        }        /// <summary>        /// Converts the value back.        /// </summary>        /// <param name="value">The value.</param>        /// <param name="targetType">Type of the target.</param>        /// <param name="parameter">The parameter.</param>        /// <param name="culture">The culture.</param>        /// <returns></returns>        public object ConvertBack(            object value,             Type targetType,             object parameter,             CultureInfo culture)        {            bool? isChecked = (bool?)value;            if (isChecked == null)            {                return false;            }            else            {                return isChecked == true;            }        }        #endregion IValueConverter Members    }