static void Main(string[] args)
{
Document document = new Document();
ICommand displayCmd = new DisplayCommand(document);
ICommand redoCmd = new RedoCommand(document);
ICommand undoCmd = new UndoCommand(document);
Invoker invoker = new Invoker(displayCmd, redoCmd, undoCmd);
invoker.Display();
invoker.Redo();
invoker.Undo();
}
static void Main(string[] args)
{
// Create receiver, command, and invoker
Receiver receiver = new Receiver();
Command command = new ConcreteCommand(receiver);
Invoker invoker = new Invoker();
// Set and execute command
invoker.SetCommand(command);
invoker.ExecuteCommand();
// Wait for user
Console.Read();
}