154 CHAPTER 5 (Web design rates) STORING AND RETRIEVING APPLICATION
154 CHAPTER 5 STORING AND RETRIEVING APPLICATION DATA Reserved Keywords REALbasic reserves a collection of keyword terms that makes up its programming language. You cannot use these keywords when naming variables, arrays, modules, constants, and so on within your applications. Table 5-2 provides a complete listing of REALbasic s reserved keywords. Table 5-2. REALbasic Reserved Keywords And Array As Boolean ByRef ByVal Call Case Catch Class Color Const DebugPrint Declare Dim Do Double Downto Each Else ElseIf End Event Exception Exit False Finally For Function GoTo Handles If Implements In Loop Me Mod Module Namespace New Next Nil Not Object Of Or Private Protected Public Raise ReDim REM Return Select Self Shared Single Static Step String Sub Then To True Try Until Wend Creating a Starter Desktop Calculator To help further reinforce the information you learned in this chapter, this section shows you how to create a new desktop application called RBCalculator, which is a relatively simple implementation of a desktop calculator. The programming logic required to create a full- featured calculator application is too extensive to replicate here. Instead, the programming logic implemented in this application is limited to solving basic addition, subtraction, multiplication, and division, and equations consisting of two numbers. As a desktop calculator, all key functionality is provided via PushButton controls and an EditField located on the application window. In addition, the application has a small menu system made up of File and Help menus, as Figure 5-6 shows.
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