Here’s the assignment for Lab3. The next class session will show us .

Public Class frmCompare

    '----JDS-----------------------
    'CREATED:    10/15/2014
    'CREATED BY: James Strickland
    'CLASS:      COP2010 - 090898
    'PURPOSE:    Write a Windows Application
    '            program that inputs
    '            three different integers
    '            and displays results
    '            in a listbox
    '----JDS-----------------------

    ' Declare variables
    ' inum=InputNumber
    Dim inum1, inum2, inum3 As Integer

    ' onum=OutputNumber
    Dim onum1, onum2, onum3, max, min As Integer

    Private Sub frmCompare_Load(sender As Object, _
                                e As EventArgs) _
                            Handles MyBase.Load

        ' Hide the "About" label at form load
        lblAbout.Visible = False

    End Sub


    Private Sub btnGo_Click(sender As Object, _
                        e As EventArgs) _
                        Handles btnExe.Click

        ' The following code is executed 
        ' when the EXECUTE button is pressed

        ' Get the users 3 numbers and load
        ' them into the 3 input variables
        inum1 = txtInput1.Text
        inum2 = txtInput2.Text
        inum3 = txtInput3.Text

        ' Clear list box encase user wants to 
        ' repeat program without scrolling 
        ' down listbox.
        LstBoxResults.Items.Clear()

        ' Display numbers as user entered them
        ' seperated by comma
        LstBoxResults.Items.Add("Numbers in User Order:")
        LstBoxResults.Items.Add(inum1 & ", " & inum2 & ", " & inum3)
        LstBoxResults.Items.Add("") ' simply creates a space between answers

        ' Display Sum of users entered numbers
        LstBoxResults.Items.Add("Sum of numbers:") ' Displays to user
        LstBoxResults.Items.Add(inum1 + inum2 + inum3) ' does the math
        LstBoxResults.Items.Add("") ' simply creates a space between answers

        ' Display Average of numbers
        LstBoxResults.Items.Add("Average of Numbers:") ' Displays to user
        LstBoxResults.Items.Add((inum1 + inum2 + inum3) \ 3) ' does the math
        LstBoxResults.Items.Add("") ' simply creates a space between answers

        ' Display Product of numbers
        LstBoxResults.Items.Add("Product of numbers:") ' Displays to user
        LstBoxResults.Items.Add(inum1 * inum2 * inum3) ' Does the math
        LstBoxResults.Items.Add("") ' simply creates a space between answers

        ' Display Largest of the 3 numbers
        LstBoxResults.Items.Add("Largest of the 3:")
        max = inum1 ' Init variable mas a first number entered, the compare below...

        If inum2 > max Then
            max = inum2 ' inum2 greater than max, init max as inum2 (inum2 is smaller)
        End If

        If inum3 > max Then
            max = inum3 ' inum3 greater than max, init max as inum3 (inum3 is smaller)
        End If

        LstBoxResults.Items.Add(max)
        LstBoxResults.Items.Add("") ' simply creates a space between answers

        ' Display Smallest of the 3 numbers
        LstBoxResults.Items.Add("Smallest of the 3:")
        min = inum1 ' init min as inum1

        If inum2 < min Then
            min = inum2 ' inum2 less than min, init min as inum2 (inum2 is bigger)
        End If

        If inum3 < min Then
            min = inum3 ' inum3 less than min, init min as inum3 (inum3 is bigger)
        End If

        LstBoxResults.Items.Add(min) ' Display results of min
        LstBoxResults.Items.Add("") ' simply creates a space between answers

    End Sub

    ' Close/Exit the program
    Private Sub btnExit_Click(ByVal sender As System.Object, _
                              ByVal e As System.EventArgs) _
                              Handles btnExit.Click
        Close()

    End Sub



    Private Sub btnAbout_Click(sender As Object, _
                               e As EventArgs) _
                               Handles btnAbout.Click
        ' The below code hides the form content and 
        ' displays information about the programmer
        ' (when the user presses the "about" button)
        ' which happens to be me. For those who does
        ' not know me, I am a big deal around here..
        ' I mean, I didn't want to say nuthin.......

        ' Clear Form
        btnExe.Visible = False
        lblEnterNumbers.Visible = False
        lblInstruction.Visible = False
        txtInput1.Visible = False
        txtInput2.Visible = False
        txtInput3.Visible = False
        LstBoxResults.Visible = False

        ' About Programmer
        lblAbout.Visible = True

    End Sub

End Class