Public Class frmAverage
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents ColumnHeader1 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader2 As System.Windows.Forms.ColumnHeader
    Friend WithEvents lstTestScores As System.Windows.Forms.ListView
    Friend WithEvents btnEnterScores As System.Windows.Forms.Button
    Friend WithEvents btnComputeAverage As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.lstTestScores = New System.Windows.Forms.ListView
        Me.ColumnHeader1 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader2 = New System.Windows.Forms.ColumnHeader
        Me.btnEnterScores = New System.Windows.Forms.Button
        Me.btnComputeAverage = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'lstTestScores
        '
        Me.lstTestScores.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.lstTestScores.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2})
        Me.lstTestScores.FullRowSelect = True
        Me.lstTestScores.Location = New System.Drawing.Point(0, 0)
        Me.lstTestScores.MultiSelect = False
        Me.lstTestScores.Name = "lstTestScores"
        Me.lstTestScores.Size = New System.Drawing.Size(296, 144)
        Me.lstTestScores.TabIndex = 0
        Me.lstTestScores.View = System.Windows.Forms.View.Details
        '
        'ColumnHeader1
        '
        Me.ColumnHeader1.Text = "Student Name"
        Me.ColumnHeader1.Width = 200
        '
        'ColumnHeader2
        '
        Me.ColumnHeader2.Text = "Test Score"
        Me.ColumnHeader2.Width = 92
        '
        'btnEnterScores
        '
        Me.btnEnterScores.Anchor = System.Windows.Forms.AnchorStyles.Bottom
        Me.btnEnterScores.Location = New System.Drawing.Point(30, 160)
        Me.btnEnterScores.Name = "btnEnterScores"
        Me.btnEnterScores.Size = New System.Drawing.Size(68, 40)
        Me.btnEnterScores.TabIndex = 1
        Me.btnEnterScores.Text = "Enter Test Scores"
        '
        'btnComputeAverage
        '
        Me.btnComputeAverage.Anchor = System.Windows.Forms.AnchorStyles.Bottom
        Me.btnComputeAverage.Location = New System.Drawing.Point(198, 160)
        Me.btnComputeAverage.Name = "btnComputeAverage"
        Me.btnComputeAverage.Size = New System.Drawing.Size(68, 40)
        Me.btnComputeAverage.TabIndex = 2
        Me.btnComputeAverage.Text = "Compute Average"
        '
        'frmAverage
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(296, 206)
        Me.Controls.Add(Me.btnComputeAverage)
        Me.Controls.Add(Me.btnEnterScores)
        Me.Controls.Add(Me.lstTestScores)
        Me.Name = "frmAverage"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "Test Score Average"
        Me.ResumeLayout(False)

    End Sub

#End Region
    ' Chapter 6:    Test Score Average - Test Score Average Form
    ' Programmer:   T. Adragna
    ' Date:         May 4, 2008
    Private Sub btnEnterScores_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEnterScores.Click
        Dim objEnterScoresForm As New frmEnterScores

        objEnterScoresForm.ShowDialog()
        Do Until objEnterScoresForm.txtStudentName.Text = ""
            Dim lviScore As New ListViewItem(objEnterScoresForm.txtStudentName.Text)

            lviScore.SubItems.Add(Convert.ToString(objEnterScoresForm.nudTestScore.Value))
            lstTestScores.Items.Add(lviScore)
            objEnterScoresForm.ShowDialog()

        Loop
    End Sub

    Private Sub btnComputeAverage_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnComputeAverage.Click
        Dim intIndex, intListCount As Integer
        Dim sngTotalScores As Single = 0
        Dim sngAverageScore As Single = 0
        Dim strScore As String, strResults As String
        Dim dontLike As Integer
        Dim n As Integer
        Dim objEnterScoresForm As New frmEnterScores
        Dim lviScore As New ListViewItem(objEnterScoresForm.txtStudentName.Text)

        intListCount = Convert.ToInt32(lstTestScores.Items.Count)
        For intIndex = 0 To intListCount - 1
            strScore = lstTestScores.Items(intIndex).SubItems(1).Text
            sngTotalScores += Convert.ToSingle(strScore)
        Next

        sngAverageScore = sngTotalScores / intListCount
        strResults = "Average test score: " & Convert.ToString(sngAverageScore) & ControlChars.NewLine
        If objEnterScoresForm.nudTestScore.Value() < 60 Then
            n = 1
                strResults &= (n / intListCount) * 100 & " percent"
            End If

        MessageBox.Show(strResults, "Test Score Average")
    End Sub

    Private Sub lstTestScores_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles lstTestScores.KeyDown
        If e.KeyCode = Keys.D And lstTestScores.SelectedIndices.Count > 0 Then
            lstTestScores.Items.RemoveAt(lstTestScores.SelectedIndices(0))
        End If
    End Sub

    Private Sub frmAverage_Resize(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Resize
        Dim intColumn0Width As Integer

        intColumn0Width = Me.Width - lstTestScores.Columns(1).Width - 12
        If intColumn0Width > 0 Then
            lstTestScores.Columns(0).Width = intColumn0Width
        End If
    End Sub

    Private Sub frmAverage_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

    Private Sub lstTestScores_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lstTestScores.SelectedIndexChanged

    End Sub
End Class