No, the use of [CallerMemberName] is not slower than the upper basic implementation. This is because, according to this MSDN page, Caller Info values are emitted as literals into the Intermediate Language (IL) at compile time We can check that with any IL disassembler (like ILSpy) : the code for the “SET” operation of the … Read more
I strongly disagree with the concept that the Model should not implement the INotifyPropertyChanged. This interface is not UI specific! It simply informs of a change. Indeed, WPF heavily uses this to identify changes, but that doesn’t mean it is an UI interface. I would compare it to the following comment: “A tire is a … Read more
Here is a drop-in class that sub-classes ObservableCollection and actually raises a Reset action when a property on a list item changes. It enforces all items to implement INotifyPropertyChanged. The benefit here is that you can data bind to this class and all of your bindings will update with changes to your item properties. public … Read more
Without using something like postsharp, the minimal version I use uses something like: public class Data : INotifyPropertyChanged { // boiler-plate public event PropertyChangedEventHandler PropertyChanged; protected virtual void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName)); } protected bool SetField<T>(ref T field, T value, string propertyName) { if (EqualityComparer<T>.Default.Equals(field, … Read more