serializationtestform.vb

Mastering VBNet Include Source Code

Imports System.io
Imports System.Runtime.Serialization.Formatters.Binary

Public Class TestForm
    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 TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents bttnDeserialize As System.Windows.Forms.Button
    Friend WithEvents bttnSerialize As System.Windows.Forms.Button

    '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.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.bttnDeserialize = New System.Windows.Forms.Button()
        Me.bttnSerialize = New System.Windows.Forms.Button()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.SuspendLayout()
        '
        'bttnDeserialize
        '
        Me.bttnDeserialize.Font = New System.Drawing.Font("Verdana", 11.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(161, Byte))
        Me.bttnDeserialize.Location = New System.Drawing.Point(8, 264)
        Me.bttnDeserialize.Name = "bttnDeserialize"
        Me.bttnDeserialize.Size = New System.Drawing.Size(312, 40)
        Me.bttnDeserialize.TabIndex = 0
        Me.bttnDeserialize.Text = "Read && Display Serialized ArrayList"
        '
        'bttnSerialize
        '
        Me.bttnSerialize.Font = New System.Drawing.Font("Verdana", 11.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(161, Byte))
        Me.bttnSerialize.Location = New System.Drawing.Point(8, 216)
        Me.bttnSerialize.Name = "bttnSerialize"
        Me.bttnSerialize.Size = New System.Drawing.Size(312, 40)
        Me.bttnSerialize.TabIndex = 1
        Me.bttnSerialize.Text = "Create && Serialize ArrayList"
        '
        'TextBox1
        '
        Me.TextBox1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(161, Byte))
        Me.TextBox1.Location = New System.Drawing.Point(8, 8)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(312, 200)
        Me.TextBox1.TabIndex = 2
        Me.TextBox1.Text = ""
        '
        'TestForm
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(328, 309)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox1, Me.bttnSerialize, Me.bttnDeserialize})
        Me.Name = "TestForm"
        Me.Text = "ArrayList Serialization"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Serialize(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bttnSerialize.Click
        Dim R1 As New Rectangle()
        R1.X = 1
        R1.Y = 1
        R1.Width = 10
        R1.Height = 20

        Dim R2 As New Rectangle()
        R2.X = 10
        R2.Y = 10
        R2.Width = 100
        R2.Height = 200

        Dim Shapes As New ArrayList()
        Shapes.Add(R1)
        Shapes.Add(R2)
        Shapes.Add(Color.Chartreuse)
        Shapes.Add(Color.DarkKhaki.GetBrightness)
        Shapes.Add(Color.DarkKhaki.GetHue)
        Shapes.Add(Color.DarkKhaki.GetSaturation)

        Dim saveFile As FileStream
        saveFile = File.OpenWrite("C:\SHAPESCOLORS.BIN")
        saveFile.Seek(0, SeekOrigin.End)
        Dim Formatter As BinaryFormatter = New BinaryFormatter()
        Formatter.Serialize(saveFile, Shapes)
        saveFile.Close()
        MsgBox("ArrayList serialized successfully")
    End Sub

    Private Sub Deserialize(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bttnDeserialize.Click
        Dim readFile As FileStream
        readFile = File.OpenRead("c:\SHAPESCOLORS.BIN")
        Dim BFormatter As BinaryFormatter
        BFormatter = New BinaryFormatter()

        Dim Shapes As New ArrayList()
        Dim R1 As Rectangle

        Shapes = CType(BFormatter.Deserialize(readFile), ArrayList)
        Dim i As Integer
        TextBox1.AppendText("The ArrayList contains " & Shapes.Count & " objects" & vbCrLf & vbCrLf)
        For i = 0 To Shapes.Count - 1
            TextBox1.AppendText(Shapes(i).ToString & vbCrLf)
        Next
    End Sub
End Class