using ListBoxLinqBindingSample.Model; using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ListBoxLinqBindingSample.ViewModel { internal class Duties : ObservableCollection { public Duties() { this.Add(new Duty("SALES", DutyType.Outside)); this.Add(new Duty("LOGISTICS", DutyType.Outside)); this.Add(new Duty("IT", DutyType.Inside)); this.Add(new Duty("MARKETING", DutyType.Inside)); this.Add(new Duty("HR", DutyType.Inside)); this.Add(new Duty("FEILD", DutyType.Outside)); } } }