private IValueConverter CreateAdjacentValueConverter(IUnit source, IUnit target)
{
KeyValuePair <IUnit, IUnit> id = CreateConverterId(source, target);
if (_converters.ContainsKey(id))
{
return(_converters[id]);
}
if (_converters.ContainsKey(ReversedConverterId(id)))
{
IValueConverter inversedConverter = _converters[ReversedConverterId(id)];
IValueConverter converter = inversedConverter.Inversed();
// Store for later
_converters[id] = converter;
return(converter);
}
throw new KeyNotFoundException(string.Format("No converter from '{0}' to '{1}' found.", source, target));
}
