public void TableViewAllowsCreatingColumnsManually() { var persons = new List<Person> { new Person {Name = "Aaltje", Age = 12}, new Person {Name = "Berend", Age = 11} }; var tableView = new TableView {AutoGenerateColumns = false, Data = persons}; tableView.AddColumn("Name", "Name"); WindowsFormsTestHelper.ShowModal(tableView); }