using System.ComponentModel; using System.Runtime.CompilerServices; using System.Windows.Controls; namespace UILib { public class NotifyControl : UserControl, INotifyPropertyChanged { #region ... public event PropertyChangedEventHandler PropertyChanged; protected void Set([CallerMemberName] string name = null) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name)); } protected void Set(ref T old, T @new, [CallerMemberName] string propertyName = null) { old = @new; if (propertyName != null) { Set(propertyName); } } #endregion } }