public void Detach(Shop product)
{
//For way 1 lets assign detach the observers with subjects
list.Remove(product);
}
public void Detach2(Shop product)
{
//For way 2 lets assign detach the observers with subjects
OnStatusUpdate -= new StatusUpdate(product.Update);
}
public void Attach(Shop product)
{
//For way 1 lets assign attach the observers with subjects
list.Add(product);
}
