using System.ComponentModel; namespace SWRIS.Dtos { public class KeyAndValueDto : INotifyPropertyChanged { private int? key; private string value; public int? Key { get { return key; } set { key = value; OnPropertyChanged("Key"); } } public string Value { get { return this.value; } set { this.value = value; OnPropertyChanged("Value"); } } public event PropertyChangedEventHandler PropertyChanged; protected internal virtual void OnPropertyChanged(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } } public class KeyAndValueWithChecked : KeyAndValueDto { private bool isChecked; public bool IsChecked { get { return isChecked; } set { isChecked = value; OnPropertyChanged("IsChecked"); } } } }