24 lines
788 B
C#
24 lines
788 B
C#
using System.Collections.Generic;
|
|
using System.ComponentModel;
|
|
using System.Runtime.CompilerServices;
|
|
|
|
namespace Aufgabe17.Framework
|
|
{
|
|
public abstract class ViewModelBase : INotifyPropertyChanged
|
|
{
|
|
public event PropertyChangedEventHandler PropertyChanged;
|
|
|
|
protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
|
|
{
|
|
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
|
|
}
|
|
|
|
protected bool SetField<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
|
|
{
|
|
if (EqualityComparer<T>.Default.Equals(field, value)) return false;
|
|
field = value;
|
|
OnPropertyChanged(propertyName);
|
|
return true;
|
|
}
|
|
}
|
|
} |