Các tài sản còn lại cho module hữu ích cho phức tạp hơn dự án bạn không cần phải lo lắng về chúng ngay bây giờ. 7. Thay đổi sở hữu File Name đến Toán hoặc tên một tập tin âm thanh ấn tượng, và sau đó nhấn Enter. (Tôi trao cho bạn mất nhiều thời gian đáng kể ở đây vì dự án này chỉ đơn giản là cho mục đích thử nghiệm, | 314 Part II Programming Fundamentals Visual Basic executes the event procedure for the Button2 object. You see a message box that looks like this 5. Click OK in the message box type a different Web site in the form s text box and then click the Visit Site button. You might want to visit the Microsoft Visual Basic Developer Center site located at http vbasic to learn more about Visual Basic. 6. Visit a few more Web sites by using the URL Collection form and then click the List Recent Sites button. Each time you click List Recent Sites the MsgBox function expands to show the growing URL history list as shown here If you visit more than a few dozen Web sites you ll need to replace the MsgBox function with a multiline text box on the form. Can you figure out how to write the code 7. When you re finished click the Close button on the form and then close your Web browser. Congratulations You ve learned how to use the Controls collection and how to process collections by using a For loop. These skills will be useful whenever you work with collections in the namespace. As you become more familiar with classic computer science data structures and algorithms related to list management stacks queues dictionaries hash tables and other structured lists you ll find that provides Visual Studio equivalents to help you manage information in extremely innovative ways. For a few book ideas related to data structures and algorithms see General Books About Programming and Computer Science in the Appendix Where to Go for More Information. Chapter 12 Working with Collections and the Namespace 315 One Step Further VBA Collections If you decide to write Visual Basic macros for Microsoft Office applications in the future you ll find that collections play a big role in the object models of Microsoft Office Word Microsoft Office Excel Microsoft Office Access Microsoft Office PowerPoint and several other .
