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Slides - Chapter 2 - Chapter2 DesigningUserInterface 1...

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Chapter 2 Designing User Interface BMGT 302 Business Application  Programming 1
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Objectives After studying this chapter, you should be able  to: Plan an application using a  TOE chart Use  text boxes  and  containers Assign  access keys  to controls Set the  tab order Add a  splash screen  to a project Use the Font and Color  dialog boxes Designate a  default button Print  the interface during run time 2
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Planning an Application Plan the application before creating the user  interface Work jointly with the user to ensure the success  of the application TOE (Task, Object, Event) chart : Shows application’s tasks, objects, and events 3
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Planning an Application (cont'd.)  4
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Sunshine Cellular Company Sunshine Cellular Company: Takes orders by phone for cell phones Two colors: blue and silver ($100 each) Currently the salespeople calculate the order  quantity and order total (including sales tax) Develop an order-taking application for this  company 5
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Identifying the Application’s Tasks Current order form used by Sunshine Cellular 6
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Tasks entered in a TOE chart 7 Input Processing Output Other
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Identifying the Objects Assign each  task  to an  object  in the user  interface Text box :   a control that allows the user to enter  data Use  labels  to guide the user and display output  information Use  buttons  to perform actions immediately  after user clicks, such as to calculate totals, to  clear the screen and to end the application 8
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Tasks and objects entered in a TOE chart 9
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Identifying the Events Next, determine which objects need an event to  occur to allow the object to perform its task Text boxes : no special events needed for user to  enter the text Labels : no special events needed to display the  prompts Buttons : action must occur when each button is  clicked 10
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Completed TOE chart ordered by task 11
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Identifying the Events (cont'd.) Completed TOE chart  ordered by object 12
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Designing the User Interface Next step is to design the user interface
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This note was uploaded on 11/21/2011 for the course BMGT 302 taught by Professor Huang during the Fall '11 term at Maryland.

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Slides - Chapter 2 - Chapter2 DesigningUserInterface 1...

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