public static PropertyChangeWatcher AddWatcher(this INotifyPropertyChanged source, IList <string> propertyNames, Action handler)
{
return(PropertyChangeWatcher.AddWatcher(source, propertyNames, handler));
}
public static PropertyChangeWatcher AddWatcher(this INotifyPropertyChanged source, string propertyName1, string propertyName2, Action handler)
{
return(PropertyChangeWatcher.AddWatcher(source, new[] { propertyName1, propertyName2 }, handler));
}