form1.vb

编程之道VB.NETt程序设计入门-589M.zip

Imports System.Threading

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

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

    End Sub

    '窗体重写处置以清理组件列表。
    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 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意：以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents btnStartRace As System.Windows.Forms.Button
    Friend WithEvents lblResult As System.Windows.Forms.Label
    Friend WithEvents Rabbit As System.Windows.Forms.PictureBox
    Friend WithEvents Tortoise As System.Windows.Forms.PictureBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        Me.btnStartRace = New System.Windows.Forms.Button()
        Me.lblResult = New System.Windows.Forms.Label()
        Me.Rabbit = New System.Windows.Forms.PictureBox()
        Me.Tortoise = New System.Windows.Forms.PictureBox()
        Me.SuspendLayout()
        '
        'btnStartRace
        '
        Me.btnStartRace.Location = New System.Drawing.Point(24, 200)
        Me.btnStartRace.Name = "btnStartRace"
        Me.btnStartRace.Size = New System.Drawing.Size(72, 24)
        Me.btnStartRace.TabIndex = 3
        Me.btnStartRace.Text = "开始比赛"
        '
        'lblResult
        '
        Me.lblResult.Location = New System.Drawing.Point(520, 200)
        Me.lblResult.Name = "lblResult"
        Me.lblResult.Size = New System.Drawing.Size(96, 24)
        Me.lblResult.TabIndex = 4
        '
        'Rabbit
        '
        Me.Rabbit.Image = CType(resources.GetObject("Rabbit.Image"), System.Drawing.Bitmap)
        Me.Rabbit.Location = New System.Drawing.Point(32, 24)
        Me.Rabbit.Name = "Rabbit"
        Me.Rabbit.Size = New System.Drawing.Size(31, 36)
        Me.Rabbit.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.Rabbit.TabIndex = 5
        Me.Rabbit.TabStop = False
        '
        'Tortoise
        '
        Me.Tortoise.Image = CType(resources.GetObject("Tortoise.Image"), System.Drawing.Bitmap)
        Me.Tortoise.Location = New System.Drawing.Point(24, 104)
        Me.Tortoise.Name = "Tortoise"
        Me.Tortoise.Size = New System.Drawing.Size(44, 33)
        Me.Tortoise.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.Tortoise.TabIndex = 6
        Me.Tortoise.TabStop = False
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(632, 266)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Tortoise, Me.Rabbit, Me.lblResult, Me.btnStartRace})
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private r As New Random()

    Public Sub RabbitRun()
        Do While (Rabbit.Left < Me.Width - 100)
            Rabbit.Left += r.Next(100)
            Thread.Sleep(1500)
        Loop
        If (Tortoise.Left < Me.Width - 100) Then
            lblResult.Text = "兔子赢了！"
        End If
    End Sub

    Public Sub TortoiseRun()
        Do While (Tortoise.Left < Me.Width - 100)
            Tortoise.Left += r.Next(10)
            Thread.Sleep(100)
        Loop
        If Rabbit.Left < Me.Width - 100 Then
            lblResult.Text = "乌龟赢了！"
        End If
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStartRace.Click
        Dim tRabbit, tTortoise As Threading.Thread
        tRabbit = New Thread(AddressOf RabbitRun)
        tTortoise = New Thread(AddressOf TortoiseRun)

        tRabbit.Start()
        tTortoise.Start()

    End Sub
End Class