Sex offenders web site - CHAPTER 1 AN INTRODUCTION TO REALBASIC REALbasic
CHAPTER 1 AN INTRODUCTION TO REALBASIC REALbasic provides a large collection of controls, representing features like PushButtons, EditFields, ProgressBars, and so on. Once added to a window, REALbasic assists you in moving and resizing them by automatically providing you with visual indicators that show when they are aligned with one another. Object-Oriented Programming REALbasic is an object-oriented programming language (OOP). An OOP language like REALbasic sees everything that makes up an application as an object. For example, a window is an object. A PushButton on a window is an object, as is a CheckBox or a ProgressBar. In OOP, objects are semi-independent entities, meaning they store information about themselves and are responsible for controlling their actions. For example, a PushButton control stores attributes defining its appearance, such as its size, color, and position within a window. A PushButton control also stores program code that controls its actions, such as what to do when it s clicked or double-clicked. RAD REALbasic supports rapid application development (RAD). RAD is a process that supports a speedy software development process. One important RAD feature is prototyping. Prototyping is a programming technique in which the programmer creates a mockup of all the windows that will make up an application. This initial version of the application has no program code. It is designed to show the user or customer what the end result will ultimately look like. This enables the programmer to collect early feedback and to incorporate this feedback into the design of the application. RAD provides programmers with the capability to ensure the application that is ultimately created will meet customer expectations. Cross-Platform Application Development The REALbasic IDE looks and operates the same way on Macintosh, Windows, and Linux. Its toolbars, menus, windows, and options all look and work exactly the same way. The applications you create will all look and act the same when run on any of these OSs, except for cosmetic differences that have to do with the differences in the way Macintosh, Windows, and Linux OSs display certain application features. For example, the appearance of the Minimize, Maximize, and Close buttons are slightly different on each OS. However, by allowing for these OS specific differences, REALbasic enables you to develop applications that look and act just the way your users expect them to on their specific OS.
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