public static void DelegatePropertyChangeFrom(
this IExternalNotifyPropertyChanged target,
INotifyPropertyChanged foreignObject,
string foreignProperty,
params string[] localProperties)
{
PropertyChangedEventHandler foreignObjectOnPropertyChanged = (s, e) =>
{
if (e.PropertyName.Equals(foreignProperty, StringComparison.Ordinal))
{
foreach (var localProperty in localProperties)
{
target.OnPropertyChanged(localProperty);
}
}
};
foreignObject.PropertyChanged += foreignObjectOnPropertyChanged;
}
public static void NotifyPropertyChange(this IExternalNotifyPropertyChanged obj, string propertyName) => obj.OnPropertyChanged(propertyName);