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30 July, 23:49

Write an application that allows a user to select a country from a list box that contains the following seven options. After the user makes a selection, display the country's capital city.

Country

Capital Austria

Vienna Canada

Toronto England

London France

Paris Italy

Rome Mexico

Mexico City Spain

Madrid

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Answers (1)
  1. 31 July, 00:01
    0
    Programming Language not stated;

    But this application definitely requires a graphical user interface platform (so, I'll use Microsoft Visual C# - Winforms).

    Controls to be used are.

    1. Form

    2. List box

    I'll name the Form, Form1 and the list box, listbox1.

    Explanation:

    The code goes thus;

    private void Form1_Load (object sender, System. EventArgs e)

    {

    //Load country into empty listbox

    listbox1. Items. Add ("Austria");

    listbox1. Items. Add ("Canada");

    listbox1. Items. Add ("England");

    listbox1. Items. Add ("France");

    listbox1. Items. Add ("Italy");

    listbox1. Items. Add ("Mexico");

    listbox1. Items. Add ("Spain");

    }

    private void listbox1_SelectedIndexChanged (object sender, System. EventArgs e)

    {

    //Check if an item is really selected

    if (listbox1. SelectedIndex > = 0)

    {

    //Index 0 represents 1st item that was added to the listbox and that's Austria

    if (listbox1. SelectedIndex = =0)

    {

    MessageBox. Show ("Vienna");

    }

    else if (listbox1. SelectedIndex = = 1)

    {

    MessageBox. Show ("Toronto");

    }

    else if (listbox1. SelectedIndex = =2)

    {

    MessageBox. Show ("London");

    }

    else if (listbox1. SelectedIndex = = 3)

    {

    MessageBox. Show ("Paris");

    }

    else if (listbox1. SelectedIndex = =4)

    {

    MessageBox. Show ("Rome");

    }

    else if (listbox1. SelectedIndex = = 5)

    {

    MessageBox. Show ("Mexico City");

    }

    else if (listbox1. SelectedIndex = = 6)

    {

    MessageBox. Show ("Madrid");

    }

    }

    else

    {

    MessageBox. Show ("No item selected");

    }

    }
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