DataGridView bound to BindingList does not refresh when value changed

Question

I have a DataGridView bound to a BindingList (C# Windows Forms). If I change one of the values in an item in the list it does not immediately show up in the grid. If I click

Answer 1

ListChanged notifications for item value changes are only raised if the list item type implements the INotifyPropertyChanged interface.

Taken from: http://msdn.microsoft.com/en-us/library/ms132742.aspx

So my first question would be: Implements your item the INotifyPropertyChanged properly?