New Post: Bind CheckListBox to ObservableCollection

Hi,

I have a 2 properties
ObservableCollection<User>ProjectUsers
ObservableCollection<User>ChosenProjectUsers

I put in a window a CheckListBox that shows all the ProjectUsers.
I want ChosenProjectUsers to hold the selecteditems of ProjectUsers.
And that when I open again the window with the CheckListBox I will see the selected items already checked.

How can I do it smartly ?
Thanks.