Adding Students to a Club Create an application that displays a list of student names in a ListBox. Use a second empty ListBox to represent the members of a student club. Use a button labeled Add to copy member names from the general list to the club list. Use a button labeled Remove to remove a student from the club list. Keep a running count of the number of names in the club list. The application should perform the following error-checking: • Do not permit the same person’s name to be added twice. • Avoid throwing an exception if the user clicks the Add button before having selected a student name. • Avoid a runtime error if the user clicks the Remove selected member button,

The __________ property holds the item that is selected in a ListBox control. a. Index b. SelectedItem c. SelectedIndex d. Items.SelectedIndex

Create a list that contains 10 words and their descriptions. Your task is to have the application randomly select a word from the list and display the description to the user. User will then try to guess the word based on the clue displayed. One round of game is five chances. Once the total number of chances becomes zero, the program should prompt the user whether to keep playing or exit the application.

The Paste Special dialog box offers the ____ option, which enables you to copy and paste a cell range that contains one or more blank cells where the blank cells are not pasted over any existing values in the range into which they are pasted.

The strNames array contains 100 elements. Which of the following statements assigns the number 99 to the intLastSub variable? a. intLastSub = strNames.Length b. intLastSub = strNames.GetUpperBound(0) + 1 c. intLastSub = strNames.GetUpperBound(0) d. Both a and b.

56 bool LoginMenu::authenticate() { bool valid = false; 57 58 SONHORANNKRARRETERL 59 60 61 62 63 64 65 66 67 68 69 } 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 } bool LoginMenu::doLogin() { int attempt = 0; do { } for (int i = 0; i> username; cout> password; bool LoginMenu::create() { login.setUsername (username); login.setPassword (password); // TODO Lab 3 - set login DateTime cout << endl; if (authenticate()) { return true; } } while (++attempt < 3); return false; 95 bool LoginMenu::remove() { 96 97 98 99 == cout << "Todo create" << endl; return true; bool LoginMenu::reset() { cout << "Todo Remove" << endl; return true; 100 101 102 103 } 104 105 bool LoginMenu::do Logout() { 106 107 108 109 110 111 cout << "Todo Reset" << endl; return true; cout << "Todo Logout" << endl; int mo = 0, d = 0, yr = 0, hr = 0, min = 0, sec = 0; getCurrent Time (mo, d, yr, hr, min, sec); // TODO set logoutDateTime return true;

woulb you please help me work on this program C# visual Studio. Given the following: Listbox Name: lstDemo private void btnDisplay_Click(object sender, EventArgs e){ //Your code goes here }Using a for loop code the statements that will display the values below in the above listbox with each one on a new line. Use the btnDisplay_Click event to place you code in. The output should look like this in the listbox:510152025

using visual studio and the C# please dont copy the previous answered questions because the solution is incorrect In the Chap07 folder of the Student Sample Programs, you will find a file named ChargeAccounts.txt. The file contains a list of a company’s valid charge account numbers. There are a total of 18 charge account numbers in the file, and each one is a 7-digit number, such as 5658845. Create an application that reads the contents of the file into an array or a List. The application should then let the user enter a charge account number. The program should determine whether the number is valid by searching for it in the array or List that contains the valid charge account numbers. If the number is in the array or List, the program should display a message indicating the number is valid. If the number is not in the array or List, the program should display a message indicating the number is invalid

How would you write the code in Visual Basic to create a list box and a button for Add, user can add items to the list