I recently had a friend of mine (who is a professional bodybuilder), ask me to write him a simple application with which he can track his training progress? Here is some of the things I learned while writing myHealth INotifyPropertyChanged vs DependencyObject The PropertyGrid I used unfortunately only work with dependency properties (DependencyObject) so I had to choose them! My personal preference would have been the lighter weight INotifyPropertyChanged. Here are the pro's and con's of...