protected new void OnPropertyChanged(string propertyName)
{
if (isPropertyAdded)
{
foreach (Delegate d in Get_PropertyChanged())
{
_notifier.PropertyChanged += (PropertyChangedEventHandler)d;
}
}
_notifier.OnPropertyChanged(propertyName);
}
protected void OnPropertyChanged(string propertyName)
{
_notifier.OnPropertyChanged(propertyName);
}