Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗體設(shè)計(jì)器生成的代碼 "

    Public Sub New()
        MyBase.New()

        '該調(diào)用是 Windows 窗體設(shè)計(jì)器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 調(diào)用之后添加任何初始化

    End Sub

    '窗體重寫 dispose 以清理組件列表。
    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

    'Windows 窗體設(shè)計(jì)器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下過(guò)程是 Windows 窗體設(shè)計(jì)器所必需的
    '可以使用 Windows 窗體設(shè)計(jì)器修改此過(guò)程。
    '不要使用代碼編輯器修改它。
    Friend WithEvents bt1 As System.Windows.Forms.Button
    Friend WithEvents tb1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.bt1 = New System.Windows.Forms.Button
        Me.tb1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'bt1
        '
        Me.bt1.Location = New System.Drawing.Point(96, 176)
        Me.bt1.Name = "bt1"
        Me.bt1.TabIndex = 0
        Me.bt1.Text = "計(jì)算"
        '
        'tb1
        '
        Me.tb1.Location = New System.Drawing.Point(48, 40)
        Me.tb1.Name = "tb1"
        Me.tb1.Size = New System.Drawing.Size(208, 21)
        Me.tb1.TabIndex = 1
        Me.tb1.Text = ""
        '
        'Form1
        '
        Me.AcceptButton = Me.bt1
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.Add(Me.tb1)
        Me.Controls.Add(Me.bt1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub bt1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bt1.Click
        Dim a As Int32()
        a = New Int32(9) {15, 2, 83, 94, 35, 46, 27, 48, 29, 10}
        Dim sum As Int32

        Dim i As Int32
        For i = 1 To 9 Step 2
            sum += a(i)

        Next
        tb1.Text = sum
    End Sub
End Class