public void Before()
{
if (!(Invocation.GetCurrentValue() is INotifyPropertyChanged))
{
return;
}
if (Invocation.GetCurrentValue() == null)
{
return;
}
RemoveHandler(Invocation);
}
public void Intercept()
{
var oldValue = Invocation.GetCurrentValue();
Invocation.Proceed();
var newValue = Invocation.GetArgumentValue(0);
if (AreEqual(oldValue, newValue))
{
return;
}
NotifiedObject.Notify(Invocation);
}
