How to identify the clicked button belongs to which listbox item?

Question

In WPF programming, I have a problem to write the button click event handler. Because the button is inside a listbox item(a part of datatemplate), and when the button is cli

Answer 1

You can get that information from the DataContext.

public class Person {

    public string Name { get; set; }
    public int Age { get; set; }

}

 Persons = new ObservableCollection() {

      new Person() { Name = "John", Age = 30 },
      new Person() { Name = "Tim", Age = 48 }
 };

 lbPersons.DataContext = Persons;

 private void person_Clicked(object sender, RoutedEventArgs e) {

        Button cmd = (Button)sender;
        if (cmd.DataContext is Person) {
            Person p = (Person)cmd.DataContext;
        }
    }

And in XAML: