MVVM – Lambda vs INotifyPropertyChanged vs DependencyObject

1/26/2010 8:15:59 AM


There have been plenty of complaints about INotifyPropertyChanged and how developers do not like using strings, etc. Last year several bloggers presented type-safe alternatives that used either reflection or lambda expressions. Many are quick to point out the poor performance (same for reflection). Unfortunately ‘poor performance’ says little about usefulness of an implementation. The performance needs to be quantified and compared against all implementations so that ‘poor’ can be put in perspective. Speed is not the only issue, as memory should be compared as well....