public static TResult Get <T, TResult>(T target, Expression <Func <T, TResult> > reference)
where T : class, INotifyPropertyChanged
{
var propertyName = Property.Path(reference);
return(AttachedProperty.Get <TResult>(target, propertyName));
}
public static void Set <T, TValue>(T target, Expression <Func <T, TValue> > reference, TValue value)
where T : class, INotifyPropertyChanged
{
var propertyName = Property.Path(reference);
var changedOverlap = new ChangedEventOverlap {
Target = target
};
var changingOverlap = new ChangingEventOverlap {
Target = target as INotifyPropertyChanging
};
if (changingOverlap.Source != null)
{
changingOverlap.Source.RaiseChanging(propertyName);
}
AttachedProperty.Set(target, propertyName, value);
if (changedOverlap.Source != null)
{
changedOverlap.Source.RaiseChanged(propertyName);
}
}