microsoft visual basic 2015 chapter 06

Microsoft Visual Basic 2015 CHAPTER SIX Loop Structures Objectives ►Add a MenuStrip object ►Use the InputBox function ►Display data using the ListBox object ►Add a Background Image ►Understand the use of counters and accumulators ►Understand the use of compound operators Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part Objectives ►Repeat a process using a For…Next loop ►Repeat a process using a Do loop ►Avoid infinite loops ►Prime a loop ►Validate data Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part Objectives ►Create a nested loop ►Select the best type of loop ►Debug using DataTips at breakpoints ►Publish a finished application using ClickOnce technology Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part Introduction ► A fundamental process in a computer program is to repeat a series of instructions either while a condition is true (or not true) or until a condition is true (or not true) ► The process of repeating a set of instructions while a condition is true or until a condition is true is called looping • Another term for looping is iteration Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part User Interface Design ►A menu bar is a strip across the top of a window that contains one or more menu names ►A menu is a group of commands, or items, presented in a list Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 6 User Interface Design ► With a Windows Form object open in the Visual Studio window, scroll in the Toolbox to display the Menus & Toolbars category If the category is not open, tap or click the expand icon (the rightpointing triangle) next to the Menus & Toolbars category name Drag the MenuStrip NET component to the Windows Form object ► Release the object ► With the MenuStrip object selected, scroll in the Properties window until the (Name) property is visible Change the MenuStrip object name to mnuFitness ► Tap or click the Type Here box on the menu bar Type &File to identify the File menu, and then press the ENTER key Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part User Interface Design ► Tap or click File in the MenuStrip object to select it, scroll in the Properties window to the (Name) property, and then change the name to mnuFile ► To add a menu item to the File menu, tap or click the Type Here box below the File menu name Type &Clear and then press ENTER to create a new menu item named Clear with C as the hot key ► On the File menu, tap or click Clear to select it, scroll in the Properties window until the (Name) property is visible, and then change the name to mnuClear Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part User Interface Design Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part Event Handlers for Menu Items ►In Design view, double-tap or double-click the Exit menu item to open the code window ►Using IntelliSense, enter the Close procedure call to close the window and terminate the application Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 10 Using a DataTip with Breakpoints ► With the application open in the code window, press and hold or right-click line 46, which contains the code where you want to set a breakpoint, and then point to Breakpoint on the shortcut menu ► Tap or click Insert Breakpoint on the submenu ► To run and test the program with the breakpoint, tap or click the Start Debugging button on the Standard toolbar ► Tap or click the Enter Weight Loss button Type 3.4 as the weight loss amount of the first team member ► Tap or click the OK button in the input box Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 47 Using a DataTip with Breakpoints ►Point to the variable decWeightLoss on line 46 ►You can view the value in any other variable within execution scope by pointing to that variable To illustrate, point to the variable decTotalWeightLoss on line 46 ►Continue the program by tapping or clicking the Continue button on the Standard toolbar Notice that the Continue button is the same as the Start Debugging button ►Point to the decTotalWeightLoss variable Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 48 Using a DataTip with Breakpoints Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 49 Using a DataTip with Breakpoints ►To remove a breakpoint, press and hold or right-click the statement containing the breakpoint, and then point to Breakpoint on the shortcut menu ►Tap or click Delete Breakpoint on the Breakpoint submenu Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 50 Publishing an Application with ClickOnce Deployment ►After an application is completely debugged and working properly, you can deploy the project ►Deploying a project means placing an executable version of the program on your hard disk, on a web server, or on a network server ►When programming using Visual Basic 2015, you can create a deployed program by using ClickOnce Deployment ►The deployed version of the program you create can be installed and executed on any computer that has the NET framework installed Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 51 Publishing an Application with ClickOnce Deployment ► With the application open, tap or click Build on the menu bar ► Tap or click Publish Fitness Challenge on the Build menu ► Change the default location from publish\ to a file location To publish to a USB drive, type the drive letter Tap or click the Next button ► If necessary, tap or click the From a CD-ROM or DVD-ROM radio button, and then tap or click the Next button ► If necessary, tap or click the “The application will not check for updates” radio button, and then tap or click the Next button Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 52 Publishing an Application with ClickOnce Deployment ► Tap or click the Finish button ► To view the finished result, minimize the Visual Studio window and then open the Search charm Type Computer in the Search box Double-tap or double-click the USB drive icon to view the published installation folder ► To install the application, double-tap or double-click the setup file ► After installation, the program runs To run the installed application again, open the Search charm, type Fitness, and then click the Fitness Challenge icon Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 53 Publishing an Application with ClickOnce Deployment Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 54 Program Design Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 55 Program Design Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 56 Event Planning Document Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 57 Summary ►Add a MenuStrip object ►Use the InputBox function ►Display data using the ListBox object ►Add a Background Image ►Understand the use of counters and accumulators ►Understand the use of compound operators Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 58 Summary ►Repeat a process using a For…Next loop ►Repeat a process using a Do loop ►Avoid infinite loops ►Prime a loop ►Validate data Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 59 Summary ►Create a nested loop ►Select the best type of loop ►Debug using DataTips at breakpoints ►Publish a finished application using ClickOnce technology Chapter 6: Loop Structures © 2016 Cengage Learning® May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 60 Microsoft Visual Basic 2015 CHAPTER SIX COMPLETE Loop Structures ... publicly accessible website, in whole or in part 10 ► Inserting Standard Items for a Menu Visual Basic 2015 contains an Action Tag that allows you to create a full standard menu bar commonly provided... mnuClear Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part User Interface Design Chapter. .. string ("") Chapter 6: Loop Structures â 2016 Cengage Learningđ May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part 13 InputBox Function Chapter