listView.ItemsSource = new ObservableCollection<Person>
{
new Person { Name = "John Doe", Age = 30, Country = "USA", ToolTipText = "John is a software engineer from USA.", ImagePath = "Images/john.png" },
new Person { Name = "Jane Smith", Age = 25, Country = "UK", ToolTipText = "Jane is a graphic designer from UK.", ImagePath = "Images/jane.png" },
new Person { Name = "Samuel Johnson", Age = 35, Country = "Canada", ToolTipText = "Samuel is a project manager from Canada.", ImagePath = "Images/samuel.png" }