public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
if (IsAttributeFlag)
{
var par = parameter as Enum;
if ((bool)value)
{
CurrentValue = CurrentValue.Or(par);
}
else
{
CurrentValue = CurrentValue.And(par.Not());
}
return(CurrentValue);
}
else
{
if ((bool)value)
{
return(parameter);
}
else
{
return(CurrentValue);
}
}
}