form1.vb

本光盘上程序的运行和工程文件的打开都需要用户首先安装 Microsoft Visual Studio .NET 2002版。

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()
        '连接服务器名称和端口，根据每台计算机而不同

        AxWinsock1.Protocol = MSWinsockLib.ProtocolConstants.sckUDPProtocol
        AxWinsock1.RemoteHost = "127.0.0.1"
        AxWinsock1.RemotePort = 1100
        AxWinsock1.LocalPort = 2200
        AxWinsock1.Bind()
        '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 AxWinsock1 As AxMSWinsockLib.AxWinsock
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button

    'Required by the Windows Form Designer

    '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.
    Private components As System.ComponentModel.IContainer
    Friend WithEvents textbox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        Me.textbox1 = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.AxWinsock1 = New AxMSWinsockLib.AxWinsock()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.TextBox2 = New System.Windows.Forms.TextBox()
        Me.Button1 = New System.Windows.Forms.Button()
        CType(Me.AxWinsock1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'textbox1
        '
        Me.textbox1.Location = New System.Drawing.Point(8, 24)
        Me.textbox1.Multiline = True
        Me.textbox1.Name = "textbox1"
        Me.textbox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
        Me.textbox1.Size = New System.Drawing.Size(392, 104)
        Me.textbox1.TabIndex = 3
        Me.textbox1.Text = ""
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(160, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "接收到的信息"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(144, 136)
        Me.Label2.Name = "Label2"
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "要发送的信息"
        '
        'AxWinsock1
        '
        Me.AxWinsock1.Enabled = True
        Me.AxWinsock1.Location = New System.Drawing.Point(40, 272)
        Me.AxWinsock1.Name = "AxWinsock1"
        Me.AxWinsock1.OcxState = CType(resources.GetObject("AxWinsock1.OcxState"), System.Windows.Forms.AxHost.State)
        Me.AxWinsock1.Size = New System.Drawing.Size(28, 28)
        Me.AxWinsock1.TabIndex = 0
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(200, 264)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 6
        Me.Button2.Text = "退出"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(8, 152)
        Me.TextBox2.Multiline = True
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
        Me.TextBox2.Size = New System.Drawing.Size(392, 112)
        Me.TextBox2.TabIndex = 4
        Me.TextBox2.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(72, 264)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 5
        Me.Button1.Text = "发送"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(408, 285)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.Button1, Me.TextBox2, Me.textbox1, Me.Label2, Me.Label1, Me.AxWinsock1})
        Me.Name = "Form1"
        Me.Text = "客户端"
        CType(Me.AxWinsock1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region
  
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        ' MessageBox.Show(TextBox2.Text)
      
        AxWinsock1.SendData(TextBox2.Text)
    End Sub
    '退出程序
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Me.Close()
    End Sub
    '数据到达时
    Private Sub AxWinsock1_DataArrival(ByVal sender As Object, ByVal e As AxMSWinsockLib.DMSWinsockControlEvents_DataArrivalEvent) Handles AxWinsock1.DataArrival
        Dim strData As Object
        Dim i As Integer
        Dim tString As String

        '