Topics Forms Frame Title Bar Client Area Components – TextBox, Button, RichTextBox, etc. Events & Event Handlers Dialog Boxes Purpose – User Input/Output Flow of Control

Objectives After completing this topic, students should be able to: Correctly design and use classes (components) in GUI design. * Know how to correctly design forms that use GUI components. * know how to design and use GUI event handlers. Design and implement flow of control in a GUI design. Use the TextBox, Button, RichTextBox, TabControl, RadioButton, etc. Describe the differences between visible and non-visible componets. Correctly use GUI components to implement a Windows application.

GUI design is the process of providing a user the necessary Forms, TextBoxes, Buttons, RadioButtons, TabControls, etc. to provide an elegant, efficient and usable user interface. GUI design and implementation is useful when we find want a natural relationship between a user interface and the input and output necessary to control the associated application. GUI design makes it possible to provide a continuous user interface flow of control for input/output.

Example and Terminology

Terminology Form Title Bar Buttons Minimize, Max/Restore, Close FrameClient Area

Components ButtonTabControlPanelRichTextBox Hi TextBox

GUI Application Design GUIBusiness Rules File I/O Employee Salary Sales Hourly File System Array