' Tax Example

' Input a value, output the tax, which is 8% of amount.

Public Class Form1
    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 txtAmount As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents txtTax As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents btnCompute As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.txtAmount = New System.Windows.Forms.TextBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.txtTax = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.btnCompute = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'txtAmount
        '
        Me.txtAmount.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtAmount.Location = New System.Drawing.Point(96, 24)
        Me.txtAmount.Name = "txtAmount"
        Me.txtAmount.Size = New System.Drawing.Size(232, 29)
        Me.txtAmount.TabIndex = 0
        Me.txtAmount.Text = ""
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(8, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(80, 24)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "Amount"
        '
        'txtTax
        '
        Me.txtTax.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtTax.Location = New System.Drawing.Point(96, 64)
        Me.txtTax.Name = "txtTax"
        Me.txtTax.Size = New System.Drawing.Size(232, 29)
        Me.txtTax.TabIndex = 2
        Me.txtTax.Text = ""
        '
        'Label2
        '
        Me.Label2.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label2.Location = New System.Drawing.Point(48, 64)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(48, 24)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "Tax"
        '
        'btnCompute
        '
        Me.btnCompute.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.btnCompute.Location = New System.Drawing.Point(96, 104)
        Me.btnCompute.Name = "btnCompute"
        Me.btnCompute.Size = New System.Drawing.Size(232, 40)
        Me.btnCompute.TabIndex = 4
        Me.btnCompute.Text = "Compute Tax"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(352, 166)
        Me.Controls.Add(Me.btnCompute)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.txtTax)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.txtAmount)
        Me.Name = "Form1"
        Me.Text = "Tax Example"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub btnCompute_Click(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles btnCompute.Click

        Dim amount, tax As Double

        amount = txtAmount.Text
        tax = 0.08 * amount
        txtTax.Text = tax.ToString("$#,##0.00")
    End Sub
End Class