form1.vb

C++ Code for Address Book software

Imports System
Imports System.IO
Imports System.Threading
Imports System.Threading.Thread
Imports System.IO.Directory
Imports System.IO.File

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 lstInfo As System.Windows.Forms.ListBox
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents btnClear As System.Windows.Forms.Button
    Friend WithEvents btnSave As System.Windows.Forms.Button
    Friend WithEvents lblNumber As System.Windows.Forms.Label
    Friend WithEvents lblName As System.Windows.Forms.Label
    Friend WithEvents txtName As System.Windows.Forms.TextBox
    Friend WithEvents txtPhone As System.Windows.Forms.TextBox
    Friend WithEvents txtBook As System.Windows.Forms.TextBox
    Friend WithEvents btnOpen As System.Windows.Forms.Button
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents lblAbout As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        Me.lstInfo = New System.Windows.Forms.ListBox
        Me.lblAbout = New System.Windows.Forms.Label
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.Label1 = New System.Windows.Forms.Label
        Me.btnOpen = New System.Windows.Forms.Button
        Me.txtBook = New System.Windows.Forms.TextBox
        Me.txtName = New System.Windows.Forms.TextBox
        Me.btnClear = New System.Windows.Forms.Button
        Me.btnSave = New System.Windows.Forms.Button
        Me.txtPhone = New System.Windows.Forms.TextBox
        Me.lblNumber = New System.Windows.Forms.Label
        Me.lblName = New System.Windows.Forms.Label
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'lstInfo
        '
        Me.lstInfo.BackColor = System.Drawing.Color.SlateGray
        Me.lstInfo.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lstInfo.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lstInfo.ForeColor = System.Drawing.Color.White
        Me.lstInfo.ItemHeight = 16
        Me.lstInfo.Location = New System.Drawing.Point(8, 64)
        Me.lstInfo.Name = "lstInfo"
        Me.lstInfo.Size = New System.Drawing.Size(184, 194)
        Me.lstInfo.TabIndex = 4
        '
        'lblAbout
        '
        Me.lblAbout.BackColor = System.Drawing.Color.SlateGray
        Me.lblAbout.Cursor = System.Windows.Forms.Cursors.Hand
        Me.lblAbout.Font = New System.Drawing.Font("Verdana", 24.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblAbout.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.lblAbout.Image = CType(resources.GetObject("lblAbout.Image"), System.Drawing.Image)
        Me.lblAbout.ImageAlign = System.Drawing.ContentAlignment.MiddleRight
        Me.lblAbout.Location = New System.Drawing.Point(0, 0)
        Me.lblAbout.Name = "lblAbout"
        Me.lblAbout.Size = New System.Drawing.Size(440, 56)
        Me.lblAbout.TabIndex = 7
        Me.lblAbout.Text = "Address Book"
        Me.lblAbout.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'Panel1
        '
        Me.Panel1.BackColor = System.Drawing.Color.SlateGray
        Me.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.Panel1.Controls.Add(Me.Label1)
        Me.Panel1.Controls.Add(Me.btnOpen)
        Me.Panel1.Controls.Add(Me.txtBook)
        Me.Panel1.Controls.Add(Me.txtName)
        Me.Panel1.Controls.Add(Me.btnClear)
        Me.Panel1.Controls.Add(Me.btnSave)
        Me.Panel1.Controls.Add(Me.txtPhone)
        Me.Panel1.Controls.Add(Me.lblNumber)
        Me.Panel1.Controls.Add(Me.lblName)
        Me.Panel1.Location = New System.Drawing.Point(200, 64)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(240, 192)
        Me.Panel1.TabIndex = 8
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.Label1.Location = New System.Drawing.Point(8, 80)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(40, 16)
        Me.Label1.TabIndex = 15
        Me.Label1.Text = "Book"
        '
        'btnOpen
        '
        Me.btnOpen.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.btnOpen.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.btnOpen.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.btnOpen.Image = CType(resources.GetObject("btnOpen.Image"), System.Drawing.Image)
        Me.btnOpen.Location = New System.Drawing.Point(192, 72)
        Me.btnOpen.Name = "btnOpen"
        Me.btnOpen.Size = New System.Drawing.Size(32, 24)
        Me.btnOpen.TabIndex = 14
        '
        'txtBook
        '
        Me.txtBook.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.txtBook.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtBook.Location = New System.Drawing.Point(56, 72)
        Me.txtBook.Name = "txtBook"
        Me.txtBook.Size = New System.Drawing.Size(128, 23)
        Me.txtBook.TabIndex = 13
        Me.txtBook.Text = ""
        '
        'txtName
        '
        Me.txtName.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.txtName.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtName.Location = New System.Drawing.Point(56, 8)
        Me.txtName.Name = "txtName"
        Me.txtName.Size = New System.Drawing.Size(168, 23)
        Me.txtName.TabIndex = 7
        Me.txtName.Text = ""
        '
        'btnClear
        '
        Me.btnClear.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.btnClear.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.btnClear.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.btnClear.Location = New System.Drawing.Point(152, 152)
        Me.btnClear.Name = "btnClear"
        Me.btnClear.Size = New System.Drawing.Size(72, 32)
        Me.btnClear.TabIndex = 12
        Me.btnClear.Text = "Clear"
        '
        'btnSave
        '
        Me.btnSave.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.btnSave.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.btnSave.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.btnSave.Location = New System.Drawing.Point(56, 152)
        Me.btnSave.Name = "btnSave"
        Me.btnSave.Size = New System.Drawing.Size(72, 32)
        Me.btnSave.TabIndex = 11
        Me.btnSave.Text = "Save"
        '
        'txtPhone
        '
        Me.txtPhone.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.txtPhone.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtPhone.Location = New System.Drawing.Point(56, 40)
        Me.txtPhone.Name = "txtPhone"
        Me.txtPhone.Size = New System.Drawing.Size(168, 23)
        Me.txtPhone.TabIndex = 10
        Me.txtPhone.Text = ""
        '
        'lblNumber
        '
        Me.lblNumber.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblNumber.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.lblNumber.Location = New System.Drawing.Point(8, 48)
        Me.lblNumber.Name = "lblNumber"
        Me.lblNumber.Size = New System.Drawing.Size(48, 16)
        Me.lblNumber.TabIndex = 9
        Me.lblNumber.Text = "Phone"
        '
        'lblName
        '
        Me.lblName.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblName.ForeColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.lblName.Location = New System.Drawing.Point(8, 16)
        Me.lblName.Name = "lblName"
        Me.lblName.Size = New System.Drawing.Size(48, 24)
        Me.lblName.TabIndex = 8
        Me.lblName.Text = "Name"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.BackColor = System.Drawing.SystemColors.ActiveCaptionText
        Me.ClientSize = New System.Drawing.Size(440, 262)
        Me.Controls.Add(Me.lblAbout)
        Me.Controls.Add(Me.lstInfo)
        Me.Controls.Add(Me.Panel1)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "Form1"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "Address Book"
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Dim ReadThreadStart As ThreadStart = New ThreadStart(AddressOf Display)
    Dim ReadArray As ArrayList
    Dim AddressBook As String
    Dim Directory As Directory
    Dim File As File

    Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click
        txtName.Clear()
        txtPhone.Clear()
    End Sub

    Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
        If Save_To_File(txtName.Text, txtPhone.Text, txtBook.Text, False) Then
            MsgBox("Save Successful", MsgBoxStyle.Information, "Save Successful")
        Else
            MsgBox("Save Unsuccessful", MsgBoxStyle.Information, "Save unuccessful")
        End If
        btnClear_Click(sender, e)
    End Sub

    Private Sub lblAbout_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lblAbout.Click
        MsgBox("Address Book" & vbCrLf & "ver. 1.0.9.1" & vbCrLf & "By Oliver Sintim-Aboagye", MsgBoxStyle.Information, "Address Book Ver. 1.0")
    End Sub

    Private Sub btnOpen_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOpen.Click
        With OpenFileDialog1
            .Title = "Address Book File Open"
            .Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*"
            .ShowDialog()
            txtBook.Text = .FileName
            AddressBook = txtBook.Text
        End With
    End Sub

    Private Sub Display()
        Dim i As Integer
        Dim reader As StreamReader
        reader = New StreamReader(AddressBook)
        ReadArray = New ArrayList
        While reader.Peek <> -1
            ReadArray.Add(reader.ReadLine)
        End While
        reader.Close()
        lstInfo.Items.Clear()
        For i = 0 To ReadArray.Count - 1
            lstInfo.Items.Add(ReadArray.Item(i))
        Next
    End Sub

    Private Function Save_To_File(ByVal pName As String, ByVal pPhone As String, ByVal pBook As String, Optional ByVal pNewBook As Boolean = False) As Boolean
        Dim Writer As StreamWriter
        Dim _readthread As Thread
        If File.Exists(pBook) Then
            Writer = New StreamWriter(pBook, True)
        Else
            MsgBox("File Does Not Exist", MsgBoxStyle.Critical, "File Not Found")
            Exit Function
        End If
        Try
            Writer.WriteLine(pName & " " & pPhone)
            _readthread = New Thread(ReadThreadStart)
            _readthread.Start()
            Return True
        Catch e As Exception
            Return False
        Finally
            Writer.Close()
        End Try
    End Function

End Class