Public Class MathForm
    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
    Friend WithEvents Num1Label As System.Windows.Forms.Label
    Friend WithEvents Num2Label As System.Windows.Forms.Label
    Friend WithEvents OperatorPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents EqualPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents ProblemGroupBox As System.Windows.Forms.GroupBox
    Friend WithEvents AnswerTextBox As System.Windows.Forms.TextBox
    Friend WithEvents OperationGroupBox As System.Windows.Forms.GroupBox
    Friend WithEvents AdditionRadioButton As System.Windows.Forms.RadioButton
    Friend WithEvents IdCorrectLabel As System.Windows.Forms.Label
    Friend WithEvents IdIncorrectLabel As System.Windows.Forms.Label
    Friend WithEvents CorrectLabel As System.Windows.Forms.Label
    Friend WithEvents IncorrectLabel As System.Windows.Forms.Label
    Friend WithEvents ExitButton As System.Windows.Forms.Button
    Friend WithEvents SummaryGroupBox As System.Windows.Forms.GroupBox
    Friend WithEvents AnswerPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents PlusPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents MinusPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents CheckAnswerButton As System.Windows.Forms.Button
    Friend WithEvents HappyPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents NeutralPictureBox As System.Windows.Forms.PictureBox
    Friend WithEvents Grade2RadioButton As System.Windows.Forms.RadioButton
    Friend WithEvents GradeGroupBox As System.Windows.Forms.GroupBox
    Friend WithEvents Grade1RadioButton As System.Windows.Forms.RadioButton
    Friend WithEvents SubtractionRadioButton As System.Windows.Forms.RadioButton
    Friend WithEvents SummaryCheckBox As System.Windows.Forms.CheckBox

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

    '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 PictureBox1 As System.Windows.Forms.PictureBox
    Friend WithEvents PictureBox2 As System.Windows.Forms.PictureBox
    Friend WithEvents PictureBoxSmile As System.Windows.Forms.PictureBox
    Friend WithEvents PictureBoxSerio As System.Windows.Forms.PictureBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(MathForm))
        Me.IdCorrectLabel = New System.Windows.Forms.Label
        Me.SummaryCheckBox = New System.Windows.Forms.CheckBox
        Me.PlusPictureBox = New System.Windows.Forms.PictureBox
        Me.OperatorPictureBox = New System.Windows.Forms.PictureBox
        Me.OperationGroupBox = New System.Windows.Forms.GroupBox
        Me.SubtractionRadioButton = New System.Windows.Forms.RadioButton
        Me.AdditionRadioButton = New System.Windows.Forms.RadioButton
        Me.Num2Label = New System.Windows.Forms.Label
        Me.AnswerTextBox = New System.Windows.Forms.TextBox
        Me.EqualPictureBox = New System.Windows.Forms.PictureBox
        Me.SummaryGroupBox = New System.Windows.Forms.GroupBox
        Me.CorrectLabel = New System.Windows.Forms.Label
        Me.IdIncorrectLabel = New System.Windows.Forms.Label
        Me.IncorrectLabel = New System.Windows.Forms.Label
        Me.ProblemGroupBox = New System.Windows.Forms.GroupBox
        Me.PictureBoxSerio = New System.Windows.Forms.PictureBox
        Me.PictureBoxSmile = New System.Windows.Forms.PictureBox
        Me.PictureBox2 = New System.Windows.Forms.PictureBox
        Me.PictureBox1 = New System.Windows.Forms.PictureBox
        Me.AnswerPictureBox = New System.Windows.Forms.PictureBox
        Me.ExitButton = New System.Windows.Forms.Button
        Me.Num1Label = New System.Windows.Forms.Label
        Me.CheckAnswerButton = New System.Windows.Forms.Button
        Me.GradeGroupBox = New System.Windows.Forms.GroupBox
        Me.Grade1RadioButton = New System.Windows.Forms.RadioButton
        Me.Grade2RadioButton = New System.Windows.Forms.RadioButton
        Me.MinusPictureBox = New System.Windows.Forms.PictureBox
        Me.NeutralPictureBox = New System.Windows.Forms.PictureBox
        Me.HappyPictureBox = New System.Windows.Forms.PictureBox
        Me.OperationGroupBox.SuspendLayout()
        Me.SummaryGroupBox.SuspendLayout()
        Me.ProblemGroupBox.SuspendLayout()
        Me.GradeGroupBox.SuspendLayout()
        Me.SuspendLayout()
        '
        'IdCorrectLabel
        '
        Me.IdCorrectLabel.AutoSize = True
        Me.IdCorrectLabel.Location = New System.Drawing.Point(8, 16)
        Me.IdCorrectLabel.Name = "IdCorrectLabel"
        Me.IdCorrectLabel.Size = New System.Drawing.Size(52, 19)
        Me.IdCorrectLabel.TabIndex = 0
        Me.IdCorrectLabel.Text = "Correct:"
        '
        'SummaryCheckBox
        '
        Me.SummaryCheckBox.Location = New System.Drawing.Point(352, 144)
        Me.SummaryCheckBox.Name = "SummaryCheckBox"
        Me.SummaryCheckBox.Size = New System.Drawing.Size(136, 32)
        Me.SummaryCheckBox.TabIndex = 3
        Me.SummaryCheckBox.Text = "&Display summary"
        '
        'PlusPictureBox
        '
        Me.PlusPictureBox.Location = New System.Drawing.Point(24, 272)
        Me.PlusPictureBox.Name = "PlusPictureBox"
        Me.PlusPictureBox.Size = New System.Drawing.Size(16, 16)
        Me.PlusPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.PlusPictureBox.TabIndex = 5
        Me.PlusPictureBox.TabStop = False
        Me.PlusPictureBox.Visible = False
        '
        'OperatorPictureBox
        '
        Me.OperatorPictureBox.Location = New System.Drawing.Point(66, 31)
        Me.OperatorPictureBox.Name = "OperatorPictureBox"
        Me.OperatorPictureBox.Size = New System.Drawing.Size(23, 27)
        Me.OperatorPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.OperatorPictureBox.TabIndex = 5
        Me.OperatorPictureBox.TabStop = False
        '
        'OperationGroupBox
        '
        Me.OperationGroupBox.Controls.Add(Me.SubtractionRadioButton)
        Me.OperationGroupBox.Controls.Add(Me.AdditionRadioButton)
        Me.OperationGroupBox.Location = New System.Drawing.Point(192, 152)
        Me.OperationGroupBox.Name = "OperationGroupBox"
        Me.OperationGroupBox.Size = New System.Drawing.Size(112, 100)
        Me.OperationGroupBox.TabIndex = 2
        Me.OperationGroupBox.TabStop = False
        Me.OperationGroupBox.Text = "Operation"
        '
        'SubtractionRadioButton
        '
        Me.SubtractionRadioButton.Location = New System.Drawing.Point(8, 59)
        Me.SubtractionRadioButton.Name = "SubtractionRadioButton"
        Me.SubtractionRadioButton.Size = New System.Drawing.Size(96, 24)
        Me.SubtractionRadioButton.TabIndex = 1
        Me.SubtractionRadioButton.Text = "&Subtraction"
        '
        'AdditionRadioButton
        '
        Me.AdditionRadioButton.Checked = True
        Me.AdditionRadioButton.Location = New System.Drawing.Point(8, 27)
        Me.AdditionRadioButton.Name = "AdditionRadioButton"
        Me.AdditionRadioButton.Size = New System.Drawing.Size(96, 24)
        Me.AdditionRadioButton.TabIndex = 0
        Me.AdditionRadioButton.TabStop = True
        Me.AdditionRadioButton.Text = "&Addition"
        '
        'Num2Label
        '
        Me.Num2Label.BackColor = System.Drawing.Color.White
        Me.Num2Label.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.Num2Label.Font = New System.Drawing.Font("Tahoma", 12.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Num2Label.Location = New System.Drawing.Point(103, 32)
        Me.Num2Label.Name = "Num2Label"
        Me.Num2Label.Size = New System.Drawing.Size(40, 23)
        Me.Num2Label.TabIndex = 1
        Me.Num2Label.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'AnswerTextBox
        '
        Me.AnswerTextBox.AutoSize = False
        Me.AnswerTextBox.BackColor = System.Drawing.Color.FromArgb(CType(255, Byte), CType(255, Byte), CType(192, Byte))
        Me.AnswerTextBox.Font = New System.Drawing.Font("Tahoma", 12.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.AnswerTextBox.Location = New System.Drawing.Point(199, 32)
        Me.AnswerTextBox.Name = "AnswerTextBox"
        Me.AnswerTextBox.Size = New System.Drawing.Size(40, 23)
        Me.AnswerTextBox.TabIndex = 0
        Me.AnswerTextBox.Text = ""
        '
        'EqualPictureBox
        '
        Me.EqualPictureBox.Image = CType(resources.GetObject("EqualPictureBox.Image"), System.Drawing.Image)
        Me.EqualPictureBox.Location = New System.Drawing.Point(160, 32)
        Me.EqualPictureBox.Name = "EqualPictureBox"
        Me.EqualPictureBox.Size = New System.Drawing.Size(23, 21)
        Me.EqualPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.EqualPictureBox.TabIndex = 5
        Me.EqualPictureBox.TabStop = False
        '
        'SummaryGroupBox
        '
        Me.SummaryGroupBox.Controls.Add(Me.CorrectLabel)
        Me.SummaryGroupBox.Controls.Add(Me.IdCorrectLabel)
        Me.SummaryGroupBox.Controls.Add(Me.IdIncorrectLabel)
        Me.SummaryGroupBox.Controls.Add(Me.IncorrectLabel)
        Me.SummaryGroupBox.Location = New System.Drawing.Point(352, 168)
        Me.SummaryGroupBox.Name = "SummaryGroupBox"
        Me.SummaryGroupBox.Size = New System.Drawing.Size(144, 79)
        Me.SummaryGroupBox.TabIndex = 4
        Me.SummaryGroupBox.TabStop = False
        Me.SummaryGroupBox.Visible = False
        '
        'CorrectLabel
        '
        Me.CorrectLabel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.CorrectLabel.Location = New System.Drawing.Point(11, 40)
        Me.CorrectLabel.Name = "CorrectLabel"
        Me.CorrectLabel.Size = New System.Drawing.Size(48, 23)
        Me.CorrectLabel.TabIndex = 1
        Me.CorrectLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'IdIncorrectLabel
        '
        Me.IdIncorrectLabel.AutoSize = True
        Me.IdIncorrectLabel.Location = New System.Drawing.Point(72, 16)
        Me.IdIncorrectLabel.Name = "IdIncorrectLabel"
        Me.IdIncorrectLabel.Size = New System.Drawing.Size(63, 19)
        Me.IdIncorrectLabel.TabIndex = 2
        Me.IdIncorrectLabel.Text = "Incorrect:"
        '
        'IncorrectLabel
        '
        Me.IncorrectLabel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.IncorrectLabel.Location = New System.Drawing.Point(75, 40)
        Me.IncorrectLabel.Name = "IncorrectLabel"
        Me.IncorrectLabel.Size = New System.Drawing.Size(48, 23)
        Me.IncorrectLabel.TabIndex = 3
        Me.IncorrectLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'ProblemGroupBox
        '
        Me.ProblemGroupBox.Controls.Add(Me.PictureBoxSerio)
        Me.ProblemGroupBox.Controls.Add(Me.PictureBoxSmile)
        Me.ProblemGroupBox.Controls.Add(Me.PictureBox2)
        Me.ProblemGroupBox.Controls.Add(Me.PictureBox1)
        Me.ProblemGroupBox.Controls.Add(Me.AnswerPictureBox)
        Me.ProblemGroupBox.Controls.Add(Me.ExitButton)
        Me.ProblemGroupBox.Controls.Add(Me.AnswerTextBox)
        Me.ProblemGroupBox.Controls.Add(Me.Num1Label)
        Me.ProblemGroupBox.Controls.Add(Me.Num2Label)
        Me.ProblemGroupBox.Controls.Add(Me.OperatorPictureBox)
        Me.ProblemGroupBox.Controls.Add(Me.EqualPictureBox)
        Me.ProblemGroupBox.Controls.Add(Me.CheckAnswerButton)
        Me.ProblemGroupBox.Location = New System.Drawing.Point(24, 24)
        Me.ProblemGroupBox.Name = "ProblemGroupBox"
        Me.ProblemGroupBox.Size = New System.Drawing.Size(472, 104)
        Me.ProblemGroupBox.TabIndex = 0
        Me.ProblemGroupBox.TabStop = False
        '
        'PictureBoxSerio
        '
        Me.PictureBoxSerio.Image = CType(resources.GetObject("PictureBoxSerio.Image"), System.Drawing.Image)
        Me.PictureBoxSerio.Location = New System.Drawing.Point(280, 56)
        Me.PictureBoxSerio.Name = "PictureBoxSerio"
        Me.PictureBoxSerio.Size = New System.Drawing.Size(40, 40)
        Me.PictureBoxSerio.TabIndex = 11
        Me.PictureBoxSerio.TabStop = False
        Me.PictureBoxSerio.Visible = False
        '
        'PictureBoxSmile
        '
        Me.PictureBoxSmile.Image = CType(resources.GetObject("PictureBoxSmile.Image"), System.Drawing.Image)
        Me.PictureBoxSmile.Location = New System.Drawing.Point(232, 56)
        Me.PictureBoxSmile.Name = "PictureBoxSmile"
        Me.PictureBoxSmile.Size = New System.Drawing.Size(40, 40)
        Me.PictureBoxSmile.TabIndex = 10
        Me.PictureBoxSmile.TabStop = False
        Me.PictureBoxSmile.Visible = False
        '
        'PictureBox2
        '
        Me.PictureBox2.Image = CType(resources.GetObject("PictureBox2.Image"), System.Drawing.Image)
        Me.PictureBox2.Location = New System.Drawing.Point(96, 64)
        Me.PictureBox2.Name = "PictureBox2"
        Me.PictureBox2.Size = New System.Drawing.Size(24, 24)
        Me.PictureBox2.TabIndex = 9
        Me.PictureBox2.TabStop = False
        Me.PictureBox2.Visible = False
        '
        'PictureBox1
        '
        Me.PictureBox1.Image = CType(resources.GetObject("PictureBox1.Image"), System.Drawing.Image)
        Me.PictureBox1.Location = New System.Drawing.Point(32, 64)
        Me.PictureBox1.Name = "PictureBox1"
        Me.PictureBox1.Size = New System.Drawing.Size(24, 24)
        Me.PictureBox1.TabIndex = 8
        Me.PictureBox1.TabStop = False
        Me.PictureBox1.Visible = False
        '
        'AnswerPictureBox
        '
        Me.AnswerPictureBox.Location = New System.Drawing.Point(256, 29)
        Me.AnswerPictureBox.Name = "AnswerPictureBox"
        Me.AnswerPictureBox.Size = New System.Drawing.Size(32, 32)
        Me.AnswerPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage
        Me.AnswerPictureBox.TabIndex = 7
        Me.AnswerPictureBox.TabStop = False
        '
        'ExitButton
        '
        Me.ExitButton.Location = New System.Drawing.Point(336, 64)
        Me.ExitButton.Name = "ExitButton"
        Me.ExitButton.Size = New System.Drawing.Size(104, 23)
        Me.ExitButton.TabIndex = 4
        Me.ExitButton.Text = "E&xit"
        '
        'Num1Label
        '
        Me.Num1Label.BackColor = System.Drawing.Color.White
        Me.Num1Label.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.Num1Label.Font = New System.Drawing.Font("Tahoma", 12.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Num1Label.Location = New System.Drawing.Point(16, 32)
        Me.Num1Label.Name = "Num1Label"
        Me.Num1Label.Size = New System.Drawing.Size(40, 23)
        Me.Num1Label.TabIndex = 2
        Me.Num1Label.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'CheckAnswerButton
        '
        Me.CheckAnswerButton.Location = New System.Drawing.Point(336, 32)
        Me.CheckAnswerButton.Name = "CheckAnswerButton"
        Me.CheckAnswerButton.Size = New System.Drawing.Size(104, 23)
        Me.CheckAnswerButton.TabIndex = 3
        Me.CheckAnswerButton.Text = "&Check Answer"
        '
        'GradeGroupBox
        '
        Me.GradeGroupBox.Controls.Add(Me.Grade1RadioButton)
        Me.GradeGroupBox.Controls.Add(Me.Grade2RadioButton)
        Me.GradeGroupBox.Location = New System.Drawing.Point(24, 152)
        Me.GradeGroupBox.Name = "GradeGroupBox"
        Me.GradeGroupBox.Size = New System.Drawing.Size(152, 100)
        Me.GradeGroupBox.TabIndex = 1
        Me.GradeGroupBox.TabStop = False
        Me.GradeGroupBox.Text = "Grade"
        '
        'Grade1RadioButton
        '
        Me.Grade1RadioButton.Checked = True
        Me.Grade1RadioButton.Location = New System.Drawing.Point(8, 27)
        Me.Grade1RadioButton.Name = "Grade1RadioButton"
        Me.Grade1RadioButton.Size = New System.Drawing.Size(136, 24)
        Me.Grade1RadioButton.TabIndex = 0
        Me.Grade1RadioButton.TabStop = True
        Me.Grade1RadioButton.Text = "Grade &1 (1-10)"
        '
        'Grade2RadioButton
        '
        Me.Grade2RadioButton.Location = New System.Drawing.Point(8, 59)
        Me.Grade2RadioButton.Name = "Grade2RadioButton"
        Me.Grade2RadioButton.Size = New System.Drawing.Size(136, 24)
        Me.Grade2RadioButton.TabIndex = 1
        Me.Grade2RadioButton.Text = "Grade &2 (10-99)"
        '
        'MinusPictureBox
        '
        Me.MinusPictureBox.Location = New System.Drawing.Point(48, 272)
        Me.MinusPictureBox.Name = "MinusPictureBox"
        Me.MinusPictureBox.Size = New System.Drawing.Size(16, 16)
        Me.MinusPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.MinusPictureBox.TabIndex = 5
        Me.MinusPictureBox.TabStop = False
        Me.MinusPictureBox.Visible = False
        '
        'NeutralPictureBox
        '
        Me.NeutralPictureBox.Location = New System.Drawing.Point(120, 264)
        Me.NeutralPictureBox.Name = "NeutralPictureBox"
        Me.NeutralPictureBox.Size = New System.Drawing.Size(32, 32)
        Me.NeutralPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage
        Me.NeutralPictureBox.TabIndex = 7
        Me.NeutralPictureBox.TabStop = False
        Me.NeutralPictureBox.Visible = False
        '
        'HappyPictureBox
        '
        Me.HappyPictureBox.Location = New System.Drawing.Point(80, 264)
        Me.HappyPictureBox.Name = "HappyPictureBox"
        Me.HappyPictureBox.Size = New System.Drawing.Size(32, 32)
        Me.HappyPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage
        Me.HappyPictureBox.TabIndex = 7
        Me.HappyPictureBox.TabStop = False
        Me.HappyPictureBox.Visible = False
        '
        'MathForm
        '
        Me.AcceptButton = Me.CheckAnswerButton
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 16)
        Me.ClientSize = New System.Drawing.Size(520, 301)
        Me.Controls.Add(Me.NeutralPictureBox)
        Me.Controls.Add(Me.HappyPictureBox)
        Me.Controls.Add(Me.MinusPictureBox)
        Me.Controls.Add(Me.PlusPictureBox)
        Me.Controls.Add(Me.SummaryGroupBox)
        Me.Controls.Add(Me.OperationGroupBox)
        Me.Controls.Add(Me.GradeGroupBox)
        Me.Controls.Add(Me.ProblemGroupBox)
        Me.Controls.Add(Me.SummaryCheckBox)
        Me.Font = New System.Drawing.Font("Tahoma", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.MaximizeBox = False
        Me.Name = "MathForm"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "Math Practice"
        Me.OperationGroupBox.ResumeLayout(False)
        Me.SummaryGroupBox.ResumeLayout(False)
        Me.ProblemGroupBox.ResumeLayout(False)
        Me.GradeGroupBox.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private Sub ExitButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ExitButton.Click
        Me.Close()
    End Sub
    Private Sub MathForm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ' Starting with Grade 1 and Addition
        Me.OperatorPictureBox.Image() = Me.PictureBox2.Image
        Call generate()
    End Sub

    Private Sub CheckAnswerButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles CheckAnswerButton.Click
        '     Event Click on the CheckAnswer Button
        'If the Answer is correct show proper Message and generate new #
        'If Incorrect show proper Message and allow user to retry

        Dim a, b, c As Integer                  'Will use for the Numbers and the Answer 
        Static correct, incorrect As Integer    'Counters for the Summary 
        If IsNumeric(Me.AnswerTextBox.Text) Then    'MaKe Sure the Value entered it's Numeric
            a = Me.Num1Label.Text
            b = Me.Num2Label.Text
            c = Me.AnswerTextBox.Text
            If Me.SubtractionRadioButton.Checked = True Then 'Check if it's a substraction or adition  
                If a - b = c Then   'Check if it's correct the Substraction 
                    Me.AnswerPictureBox.Image() = Me.PictureBoxSmile.Image
                    MsgBox(" You are  Correct", MsgBoxStyle.Exclamation, "  Congratulations ")
                    correct += 1    'Increment Correct Counter
                    Call generate()
                Else
                    Me.AnswerPictureBox.Image() = Me.PictureBoxSerio.Image
                    MsgBox(" Sorry You are  NOT Correct", MsgBoxStyle.Critical, " Try Again ...")
                    Me.AnswerTextBox.SelectAll()
                    incorrect += 1  'Increment Incorrect Counter
                End If

            Else                    ' Not a Substraction then it's an Addition
                If a + b = c Then   'Check if it's correct the Addition
                    Me.AnswerPictureBox.Image() = Me.PictureBoxSmile.Image
                    MsgBox(" You are  Correct", MsgBoxStyle.Exclamation, "  Congratulations ")
                    correct += 1    'Increment Correct Counter
                    Call generate()
                Else ' 
                    Me.AnswerPictureBox.Image() = Me.PictureBoxSerio.Image
                    MsgBox(" Sorry You are  NOT Correct", MsgBoxStyle.Critical, " Try Again ...")
                    Me.AnswerTextBox.SelectAll()
                    incorrect += 1  'Increment Incorrect Counter
                End If
            End If
        Else        'Value entered it's NOT Numeric
            MsgBox(" Sorry the Value is not Numeric", MsgBoxStyle.Information, " Message")
            Me.AnswerTextBox.Text = ""
        End If

        Me.IncorrectLabel.Text = incorrect
        Me.CorrectLabel.Text = correct
        Me.AnswerTextBox.Focus()

    End Sub

    Private Sub SummaryCheckBox_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles SummaryCheckBox.Click
        '     Event Click on the Summary CheckBox
        'If it's checked show Summary
        'NOT checked do NOT show Summary
        If Me.SummaryCheckBox.Checked = True Then
            Me.SummaryGroupBox.Visible = True
        Else
            Me.SummaryGroupBox.Visible = False
        End If
        Me.AnswerTextBox.Focus()

    End Sub

    Private Sub Grade2RadioButton_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Grade2RadioButton.CheckedChanged
        Call generate()
    End Sub

    Private Sub SubtractionRadioButton_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SubtractionRadioButton.CheckedChanged
        '     Event CheckedChanged on the Subtraction RadioButton
        'in the case of Subtraction show the proper image (Minus Symbol)
        'and check for a negative answer 
        If Me.SubtractionRadioButton.Checked = True Then
            Me.OperatorPictureBox.Image() = Me.PictureBox1.Image
            Call CheckSubs()
        Else
            Me.OperatorPictureBox.Image() = Me.PictureBox2.Image
        End If
        Me.AnswerTextBox.Focus()

    End Sub

    Private Sub generate()
        '     generate function 
        'will check for the proper grade 
        'and generate the random Numbers
        If Me.Grade2RadioButton.Checked = True Then
            Me.Num1Label.Text = CInt(Int((90 * Rnd()) + 10))
            Me.Num2Label.Text = CInt(Int((90 * Rnd()) + 10))
            Call CheckSubs()
        Else
            Me.Num1Label.Text = CInt(Int((10 * Rnd()) + 1))
            Me.Num2Label.Text = CInt(Int((10 * Rnd()) + 1))
            Call CheckSubs()
        End If
        Me.AnswerTextBox.Text = ""
        Me.AnswerTextBox.Focus()
    End Sub
    Private Sub CheckSubs()
        '  CheckSubs function
        'In case of the substration avoid
        'a negative answer swaping the #
        Dim a, b As Integer
        a = Me.Num1Label.Text
        b = Me.Num2Label.Text

        If Me.SubtractionRadioButton.Checked = True Then
            If a < b Then
                Me.Num1Label.Text = b
                Me.Num2Label.Text = a
            End If
        End If
    End Sub


End Class