public static void Main()
{
Receiver receiver = new Receiver();
Command cmd = new ConcreteCommand(receiver);
Invoker storeUser = new Invoker();
storeUser.SetCommand(cmd);
storeUser.ExecuteCommand();
}
public ConcreteCommand(Receiver receiver)
: base(receiver)
{ }
public Command(Receiver receiver)
{
this.receiver = receiver;
}