CHAPTER 5 STORING AND RETRIEVING APPLICATION DATA (My web site)
CHAPTER 5 STORING AND RETRIEVING APPLICATION DATA Button1.Enabled = True Button2.Enabled = True Button3.Enabled = True Button4.Enabled = True Button5.Enabled = True Button6.Enabled = True Button7.Enabled = True Button8.Enabled = True Button9.Enabled = True Button0.Enabled = True DecimalButton.Enabled = True NegativeButton.Enabled = True These statements reenable the application s PushButton controls to let the user enter a new equation. Testing RBCalculator If you have not done so yet, go ahead and save your application, and then compile it and see how it operates. Double-check your typing if any errors are flagged. Once everything is working properly, compile a standalone copy of your application, pass it on to your friends, and ask them to test it as well. Summary In this chapter, you learned the fundamentals of storing and retrieving data in REALbasic applications. This included learning how to work with variables, arrays, dictionaries, and constants. You were introduced to the concept of variable scope. You learned how to document your applications by adding comments and notes. On top of all this, you learned about different data types and how to convert data from one data type to another.
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