Question

C# C#

Please leave commentary next to the code explaining what it does/

a WPF program that is still missing a file called Course.cs that defines a C# class called Course. Instances of the Course class are created and manipulated in the code behind of the WPF MainWindow window to allow the user to select courses of study and then update a list of selected courses.method that overrides the ToString() in order to be able to be displayed in a WPF window This method should be declared exactly as given below and then you should add your code to the body of the method to return the name field:

public override string ToString() { // this method should return the name field }

This is the code being used in the main window

This is what the output should look like.

C# Please remember to put commentary next to the lines of code explaining what it does

2ing Systes.Collections.Generic using Systen.H5ndows-Insut uaang Syaus.hirden, "Nedad. İMAKİ"K; g Systn.kandoShapes CreateClassesObjs.MainWindow CreateClassesObjs 58 59 60 61 62 63 64 65 E private void button_Click (object sender, RoutedEventArgs e) choice-(Course) (this.comboBox.SelectedItem); this.listBox. Items.Add(choice); 67 68 Please select a course IT 328 IT 145 IT 200 IT 201 IT 270 IT 315 IT 328 IT 330 You have selected these course: Select this course IT 145 IT 200 IT 315

Answer 1

----------------------I used Visual studio 2013, C# language, WPF Application-----------

------OUTPUT-----

8 Quick Launch (Ctri+Q DG WpfApplication (Running)-Microsoft Visual Studio (Administrator) FILE EDIT VIEW PROJECT BUILD DEBUG TEAM TOOLS TEST ARCHITECTURE ANALYZE WINDOW HELP Sign in Process: [1360] WpfApplication.vshost.exeSuspend Thread: 4152] Main Thread Stack Frame MainWindow Intelli Trace WpfApplc (object sender, RoutedEventArgs To view IntelliTrace data, you must break execution of your application. Please select a course II Break all 39 48 41 IT 328 Select this course More options: Open IntelliTrace settings You have selected these course Learn more about IntelliTrace IT 201 IT 315 IT 330 49 58 /IStore the item in the combo box first into a variable called cNane 100 % Autos 4X Call Stack alue Locals Watch 1 Call Stack Breakpoints Command Window Immediate Window Output IntelliTrace Solution Explorer Team Explorer Ln 45 Col Ch 52 INS O Type here to search rP k叡动ENG 14-04-2019

FILE EDIT VIEW PROJECT BUILD DEBUG TEAM TOOLS TEST ARCHITECTURE ANALYZE WINDOW HELPFull Screen 8 Quick Launch (Ctrl+ Q) P Sign inE Course.cs MainWindow.xaml WpfApplication.M cOurses 1 Busing8 System; 2 using System.Collections.Generic; 3 usin8 System.Ling; 4using System.Text; 5 using System.Windows; 6 using System.Nindows.Controls 7 using System.Windows. Data; 8 using8 System.Windows. Documents; 9 using8 System.Windows. Input; 1 using System.Windows.Media; 11 using System.Windows.Media.Imaging; 12 using System.Windows.Navigation; 13 using System.Windows.Shapes; 15 Enamespace WofApplication 17 summary /I/ Interaction logic for Mainwindow. xaml IIsummary> 3 references public partial class Mainwindow Window 19 //Create a list of Course class to store each course name List<Course> courses new List<Course>(); O references public Mainwindow) 24 25 InitializeComponent; //Initialize all components //When window about to load, this event occur private void Window_Loaded (object sender, RoutedEventArgs c) //Create new course class to hold courseNane and add that to List<Course> course:s courses.Add (new Course) courseName "IT 145"); courses.Add (new Course) courseName "IT 200" ; courses.Add (new Course) courseName "IT 201" ); courses.Add (new Course) courseName "IT 270" ; courses.Add (new Course) courseName "IT 315" ); courses.Add (new Course) courseName "IT 328 00% Ln 6 Col 31 Ch 31 INS

FILE EDIT VIEW PROJECT BUILD DEBUG TEAM TOOLS TEST ARCHITECTURE ANALYZE WINDOW HELPFull Screen 8 Quick Launch (Ctrl+ Q) Sign in Course.cs MainWindow.xaml cOurses courses.Add (new Course) courses.Add (new Course) courses.Add (new Course) courses.Add (new Course) courses.Add (new Course) courseName "IT 201" ); courseName "IT 270" ; courseName "IT 315" ); courseName "IT 328" ; courseName "IT 330" ; //Use foreach loop to iterate through List<Course> courses foreach (Course item in courses) /Add each courseName to combo box first using ToString) in Course.cs cbFirst.Items.Add(item.ToString)) //When Select this course button is clicked, this event occurs private void Button Click(object sender, RoutedEventArgs e) /IStore the item in the combo box first into a variable called cNane string cName-cbFirst.SelectedItem.ToString) //Check if list box already contains this course if (LBsecond.Items.Contains (cName)) //If this course is already present in listbox, show a messagebox to user MessageBox. Show(cNamet already selected."); 59 else //If listbox not contain this course, then add this course LBsecond.Items.Add (cName); 64 69 78 71 72 00% Ln 6 Col 31 Ch 31

FILE EDIT VIEW PROJECT BUILD DEBUG TEAM TOOLS TEST ARCHITECTURE ANALYZE WINDOW HELPFull Screen 8 Quick Launch (Ctrl+ Q) Sign in Course.cs MaınWindow.xam1 × MainWindow.xaml.cs 1 E<Window x:Class-"WpfApplication.Mainwindow mlns-"http://schemas.microsoft.com/winfx/2806/xaml/presentation" mlns:x-"http://schemas.microsoft.com/winfx/2806/xaml Title-Mainwindow" Height-"350" width-"525" Loaded-window Loaded") Grid> <Grid. ColumnDefinitions > <ColumnDefinition Width-"62*" <ColumnDefinition Width-"301+> <ColumnDefinition Width- "154*" </Grid.ColumnDefinitions> <Label Content-"Please select a course" Fontweight-"Bold" HorizontalAlignmer <ComboBox x:Nane-"cbFirst" HorizontalAlignnent-"Left" Margin-"80.924,184.9 <Button Content-"Select this course" HorizontalAlignment-"Left Margin-"277 Label Content-"You have selected these course" Fontweight-"Bold" Horizontal «LİstBox x:Name-"LBsecond" Grid.column-"1" HorizontalAlignent-Left'. Height 18 154- 12 15 Please select a course 17 18 19 </Grid> | </window> Select this course You have selected these course 100 % 100%- Ln 19 Col 1 Ch 1 INS

FILE EDIT VIEW PROJECT BUILD DEBUG TEAM TOOLS TEST ARCHITECTURE ANALYZE WINDOW HELPFull Screen 8 Quick Launch (Ctrl+ Q) Sign in MainWindow.xaml.cs WpfApplication.Course -ToString 1 Busing System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; name space lipfApplication 10 references class Course //Create a property called courseName to set and get course name public string courseName set; get; ) //Used ToString() method to get courseName public override string ToString() 10 12 13 14 15 16 17 18 19 20 return this.courseName; 33% Ready Ln 13 Col 52 Ch 52 INS

-------CODE-------

-------------Course.cs-------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WpfApplication
{
class Course
{
//Create a property called courseName to set and get course name
public string courseName { set; get; }

//Used ToString() method to get courseName
public override string ToString()
{
    return this.courseName;
}
}
}

--------MainWindow.xaml--------

<Window x:Class="WpfApplication.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="62*"/>
<ColumnDefinition Width="301*"/>
<ColumnDefinition Width="154*"/>
</Grid.ColumnDefinitions>
<Label Content="Please select a course" FontWeight="Bold" HorizontalAlignment="Left" Margin="80.924,73,0,0" VerticalAlignment="Top" Height="31.97" Width="145.463" Grid.Column="1"/>
<ComboBox x:Name="cbFirst" HorizontalAlignment="Left" Margin="80.924,104.97,0,0" VerticalAlignment="Top" Width="146.866" Height="27" Grid.Column="1" SelectedIndex="0"/>
<Button Content="Select this course" HorizontalAlignment="Left" Margin="277.94,104.97,0,0" VerticalAlignment="Top" Width="142.164" Height="22.985" Grid.Column="1" Grid.ColumnSpan="2" Click="Button_Click"/>
<Label Content="You have selected these course" FontWeight="Bold" HorizontalAlignment="Left" Margin="83.73,183.791,0,0" VerticalAlignment="Top" Height="31.97" Width="199.194" Grid.Column="1"/>
<ListBox x:Name="LBsecond" Grid.Column="1" HorizontalAlignment="Left" Height="62.686" Margin="83.73,215.761,0,0" VerticalAlignment="Top" Width="142.657"/>

</Grid>
</Window>

-------MainWindow.xaml.cs------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
//Create a list of Course class to store each course name
List<Course> courses = new List<Course>();
public MainWindow()
{
InitializeComponent(); //Initialize all components
}

//When window about to load, this event occur.
private void Window_Loaded(object sender, RoutedEventArgs e)
{
//Create new course class to hold courseName and add that to List<Course> courses
courses.Add(new Course() { courseName = "IT 145" });
courses.Add(new Course() { courseName = "IT 200" });
courses.Add(new Course() { courseName = "IT 201" });
courses.Add(new Course() { courseName = "IT 270" });
courses.Add(new Course() { courseName = "IT 315" });
courses.Add(new Course() { courseName = "IT 328" });
courses.Add(new Course() { courseName = "IT 330" });

//Use foreach loop to iterate through List<Course> courses
foreach (Course item in courses)
{
//Add each courseName to combo box first using ToString() in Course.cs
cbFirst.Items.Add(item.ToString());
}
  
}

//When Select this course button is clicked, this event occurs
private void Button_Click(object sender, RoutedEventArgs e)
{
//Store the item in the combo box first into a variable called cName
string cName=cbFirst.SelectedItem.ToString();

//Check if list box already contains this course
if (LBsecond.Items.Contains(cName))
{
//If this course is already present in listbox, show a messagebox to user.
MessageBox.Show(cName+" already selected.");
}
else
{
//If listbox not contain this course, then add this course
LBsecond.Items.Add(cName);
}
  
}

}
}