form1.vb

Mastering VBNet Include Source Code

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
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents lblCompany As System.Windows.Forms.Label
    Friend WithEvents lblSince As System.Windows.Forms.Label
    Friend WithEvents lblAddress As System.Windows.Forms.Label
    Friend WithEvents lblCity As System.Windows.Forms.Label
    Friend WithEvents lblCountry As System.Windows.Forms.Label
    Friend WithEvents lblBalance As System.Windows.Forms.Label

    '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.Label4 = New System.Windows.Forms.Label()
        Me.Label5 = New System.Windows.Forms.Label()
        Me.Label6 = New System.Windows.Forms.Label()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.lblAddress = New System.Windows.Forms.Label()
        Me.lblCompany = New System.Windows.Forms.Label()
        Me.lblCountry = New System.Windows.Forms.Label()
        Me.lblCity = New System.Windows.Forms.Label()
        Me.lblSince = New System.Windows.Forms.Label()
        Me.lblBalance = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        '
        'Label4
        '
        Me.Label4.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label4.Location = New System.Drawing.Point(8, 88)
        Me.Label4.Name = "Label4"
        Me.Label4.TabIndex = 4
        Me.Label4.Text = "City"
        '
        'Label5
        '
        Me.Label5.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label5.Location = New System.Drawing.Point(8, 112)
        Me.Label5.Name = "Label5"
        Me.Label5.TabIndex = 5
        Me.Label5.Text = "Country"
        '
        'Label6
        '
        Me.Label6.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label6.Location = New System.Drawing.Point(8, 136)
        Me.Label6.Name = "Label6"
        Me.Label6.TabIndex = 5
        Me.Label6.Text = "Balance"
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(8, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "Company"
        '
        'Label2
        '
        Me.Label2.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label2.Location = New System.Drawing.Point(8, 40)
        Me.Label2.Name = "Label2"
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "Customer Since"
        '
        'Label3
        '
        Me.Label3.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label3.Location = New System.Drawing.Point(8, 64)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 3
        Me.Label3.Text = "Address"
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("Comic Sans MS", 11.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(8, 176)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(376, 32)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "View Next"
        '
        'lblAddress
        '
        Me.lblAddress.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lblAddress.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblAddress.Location = New System.Drawing.Point(128, 64)
        Me.lblAddress.Name = "lblAddress"
        Me.lblAddress.Size = New System.Drawing.Size(264, 23)
        Me.lblAddress.TabIndex = 1
        '
        'lblCompany
        '
        Me.lblCompany.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lblCompany.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblCompany.Location = New System.Drawing.Point(128, 16)
        Me.lblCompany.Name = "lblCompany"
        Me.lblCompany.Size = New System.Drawing.Size(224, 23)
        Me.lblCompany.TabIndex = 1
        '
        'lblCountry
        '
        Me.lblCountry.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lblCountry.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblCountry.Location = New System.Drawing.Point(128, 112)
        Me.lblCountry.Name = "lblCountry"
        Me.lblCountry.Size = New System.Drawing.Size(160, 23)
        Me.lblCountry.TabIndex = 1
        '
        'lblCity
        '
        Me.lblCity.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lblCity.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblCity.Location = New System.Drawing.Point(128, 88)
        Me.lblCity.Name = "lblCity"
        Me.lblCity.Size = New System.Drawing.Size(144, 23)
        Me.lblCity.TabIndex = 1
        '
        'lblSince
        '
        Me.lblSince.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lblSince.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblSince.Location = New System.Drawing.Point(128, 40)
        Me.lblSince.Name = "lblSince"
        Me.lblSince.Size = New System.Drawing.Size(104, 23)
        Me.lblSince.TabIndex = 1
        '
        'lblBalance
        '
        Me.lblBalance.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.lblBalance.Font = New System.Drawing.Font("Comic Sans MS", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.lblBalance.Location = New System.Drawing.Point(128, 136)
        Me.lblBalance.Name = "lblBalance"
        Me.lblBalance.Size = New System.Drawing.Size(104, 23)
        Me.lblBalance.TabIndex = 1
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(400, 213)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblBalance, Me.lblCountry, Me.lblCity, Me.lblAddress, Me.lblSince, Me.lblCompany, Me.Label6, Me.Label5, Me.Label4, Me.Label3, Me.Label2, Me.Label1, Me.Button1})
        Me.Name = "Form1"
        Me.Text = "Types Demo"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Structure Customer
        Dim Company As String
        Dim Manager As String
        Dim Address As String
        Dim City As String
        Dim Country As String
        Dim CustomerSince As Date
        Dim Balance As Decimal
    End Structure
    Private Customers(8) As Customer
    Private cust As Customer
    Private currentIndex As Integer

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If currentIndex = CountCustomers() Then currentIndex = 0

        Dim aCustomer As Customer
        aCustomer = GetCustomer(currentIndex)
        ShowCustomer(currentIndex)
        currentIndex = currentIndex + 1
    End Sub

    Function CountCustomers() As Integer
        Return (Customers.Length)
    End Function

    Function GetCustomer(ByVal idx As Integer) As Customer
        Return (Customers(idx))
    End Function

    Sub ShowCustomer(ByVal idx As Integer)
        Dim aCustomer As Customer
        aCustomer = GetCustomer(idx)
        lblCompany.Text = aCustomer.Company
        lblSince.Text = aCustomer.CustomerSince
        lblAddress.Text = aCustomer.Address
        lblCity.Text = aCustomer.City
        lblCountry.Text = aCustomer.Country
        lblBalance.Text = aCustomer.Balance
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim cust As Customer
        cust.Company = "Bottom-Dollar Markets"
        cust.Manager = "Elizabeth Lincoln"
        cust.Address = "23 Tsawassen Blvd."
        cust.City = "Tsawassen"
        cust.Country = "Canada"
        cust.CustomerSince = #10/20/1996#
        cust.Balance = 33500
        Customers(0) = cust

        cust = New Customer()
        cust.Company = "Drachenblut Delikatessen"
        cust.Manager = "Sven Ottlieb"
        cust.Address = "Walserweg 21"
        cust.City = "Aachen"
        cust.Country = "Germany"
        cust.CustomerSince = #1/2/1994#
        cust.Balance = 2400
        Customers(1) = cust

        cust = New Customer()
        cust.Company = "Furia Bacalhau e Frutos do Mar"
        cust.Manager = "Lino Rodriguez "
        cust.Address = "Jardim das rosas n. 32"
        cust.City = "Lisboa"
        cust.Country = "Portugal"
        cust.CustomerSince = #12/22/1998#
        cust.Balance = 300
        Customers(2) = cust

        cust = New Customer()
        cust.Company = "Great Lakes Food Market"
        cust.Manager = "Howard Snyder"
        cust.Address = "2732 Baker Blvd."
        cust.City = "Eugene, OR"
        cust.Country = "USA"
        cust.CustomerSince = #1/3/1998#
        cust.Balance = 6500
        Customers(3) = cust

        cust = New Customer()
        cust.Company = "QUICK-Stop"
        cust.Manager = "Horst Kloss"
        cust.Address = "Taucherstra遝 10"
        cust.City = "Cunewalde"
        cust.Country = "Germany"
        cust.CustomerSince = #1/1/1989#
        cust.Balance = 23400
        Customers(4) = cust

        cust = New Customer()
        cust.Company = "The Cracker Box"
        cust.Manager = "Liu Wong"
        cust.Address = "55 Grizzly Peak Rd."
        cust.City = "Butte"
        cust.Country = "USA"
        cust.CustomerSince = #1/1/1999#
        cust.Balance = 23400
        Customers(5) = cust

        cust = New Customer()
        cust.Company = "White Clover Markets"
        cust.Manager = "Karl Jablonski"
        cust.Address = "305 - 14th Ave. S."
        cust.City = "Seattle, WA"
        cust.Country = "USA"
        cust.CustomerSince = #5/11/1994#
        cust.Balance = 12000
        Customers(6) = cust

        cust = New Customer()
        cust.Company = "Wilman Kala"
        cust.Manager = "Matti Karttunen"
        cust.Address = "Keskuskatu 45"
        cust.City = "Helsinki"
        cust.Country = "Finland"
        cust.CustomerSince = #1/3/2000#
        cust.Balance = 2500
        Customers(7) = cust

        Button1_Click(sender, e)
    End Sub
End Class