WPF event property changed?

.net, wpf

Solution

INotifyPropertyChanged.

It's in System.ComponentModel

A small trick when using this interface, when you implement it with an empty delegate you don't have to check if the event is null every time you raise it.

public event PropertyChangedEventHandler PropertyChanged = delegate { };

Problem

What interface must i implement to be able to create wpf event when some thing changes?

Original source