Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
5th Edition
ISBN: 9780134801407
Author: GADDIS
Publisher: PEARSON
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Chapter 15.4, Problem 15.20CP
Program Plan Intro
Event handler:
An event handler is a module is implemented in python program that executes automatically when a particular event has occurred.
- If user need a program to execute an operation at that time a particular event occurs, user must create an event handler that reply at that time of event takes place.
- Event can be pressing the key or mouse operation by the user. To deal this type of operation is considered as event handlers.
- If the defined event occurs, then call the handler function with help of object of event.
- The following format is a general format for event handler.
Module ComponentName_EventName()
Statement
End Module
Where,
- ComponentName indicates the component name.
- EventName indicates event name which occurred.
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Chapter 15 Solutions
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
Ch. 15.1 - What is a user interface?Ch. 15.1 - How does a command line interface work?Ch. 15.1 - Prob. 15.3CPCh. 15.1 - Prob. 15.4CPCh. 15.1 - Prob. 15.5CPCh. 15.2 - Prob. 15.6CPCh. 15.2 - In an IDE that allows you to visually construct a...Ch. 15.2 - Prob. 15.8CPCh. 15.2 - Prob. 15.9CPCh. 15.2 - Prob. 15.10CP
Ch. 15.3 - Prob. 15.11CPCh. 15.3 - Prob. 15.12CPCh. 15.3 - Look at the following pseudocode and then answer...Ch. 15.3 - Prob. 15.14CPCh. 15.4 - Prob. 15.15CPCh. 15.4 - Prob. 15.16CPCh. 15.4 - Prob. 15.17CPCh. 15.4 - Prob. 15.18CPCh. 15.4 - Prob. 15.19CPCh. 15.4 - Prob. 15.20CPCh. 15.4 - Prob. 15.21CPCh. 15 - The _________ is the part of a computer with which...Ch. 15 - Before GUIs became popular, the _____ interface...Ch. 15 - Prob. 3MCCh. 15 - A type of program that is typically event-driven...Ch. 15 - An item that appears in a programs graphical user...Ch. 15 - By specifying characteristics such as color, size,...Ch. 15 - An _____ is an action that takes place within a...Ch. 15 - A(n) _____ is a module that automatically executes...Ch. 15 - In our pseudocode, the _____ module executes...Ch. 15 - The ______________ component that we discussed in...Ch. 15 - Many computer users, especially beginners, find...Ch. 15 - Writing a GUI program today is complex and time...Ch. 15 - A components Text property typically holds string...Ch. 15 - Predefined names are given to all of the events...Ch. 15 - A user interface flow diagram shows how a GUI...Ch. 15 - Prob. 6TFCh. 15 - When developing GUTs for mobile devices and...Ch. 15 - Prob. 1SACh. 15 - What determines how a component appears on the...Ch. 15 - Prob. 3SACh. 15 - Prob. 4SACh. 15 - What is a non-visual component? Give an example of...Ch. 15 - Design an event handler that will execute when the...Ch. 15 - Design an event handler that will execute when the...Ch. 15 - The GUI for a mobile app has a Label component...Ch. 15 - The GUI for a mobile app has a Label component...Ch. 15 - Name and Address Design a GUI program that...Ch. 15 - Latin Translator Look at the following list of...Ch. 15 - Miles-per-Gallon Calculator Design a GUI program...Ch. 15 - Celsius to Fahrenheit Design a GUI program that...Ch. 15 - Property Tax A county collects property taxes on...
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