Files
NotificationFlyout/samples/NotificationFlyoutSample/ObservableObject.cs
T
Daniel Clark 9fa476e57d Update version
2021-02-15 21:21:50 +00:00

30 lines
1.0 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;
namespace NotificationFlyoutSample
{
public class ObservableObject : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
public virtual void OnPropertyChanged([CallerMemberName] string propertyName = "") => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
protected virtual bool SetProperty<T>(ref T backingStore, T value, [CallerMemberName] string propertyName = "",
Action onChanged = null, Func<T, T, bool> validateValue = null)
{
if (EqualityComparer<T>.Default.Equals(backingStore, value))
return false;
if (validateValue != null && !validateValue(backingStore, value))
return false;
backingStore = value;
onChanged?.Invoke();
OnPropertyChanged(propertyName);
return true;
}
}
}