frmserver.frm

这是VB6.0上MSDN的例子

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form frmserver 
   Caption         =   "TCP服务器"
   ClientHeight    =   3615
   ClientLeft      =   10095
   ClientTop       =   840
   ClientWidth     =   4980
   LinkTopic       =   "Form1"
   ScaleHeight     =   3615
   ScaleWidth      =   4980
   Begin VB.TextBox txtoutput 
      Height          =   975
      Left            =   720
      MultiLine       =   -1  'True
      TabIndex        =   1
      Top             =   1920
      Width           =   3495
   End
   Begin VB.TextBox txtsenddata 
      Height          =   855
      Index           =   0
      Left            =   720
      MultiLine       =   -1  'True
      TabIndex        =   0
      Top             =   600
      Width           =   3495
   End
   Begin MSWinsockLib.Winsock Wskserver 
      Index           =   0
      Left            =   0
      Top             =   360
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.Label Label1 
      Caption         =   "输出数据"
      Height          =   255
      Left            =   720
      TabIndex        =   3
      Top             =   1680
      Width           =   1455
   End
   Begin VB.Label labsend 
      Caption         =   "发送数据"
      Height          =   255
      Left            =   720
      TabIndex        =   2
      Top             =   360
      Width           =   1455
   End
End
Attribute VB_Name = "frmserver"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private intmax As Long

Private Sub Form_Load()

    'intmax = 1
    'Load Wskserver(intmax)
    Wskserver(0).LocalPort = 1000
    Wskserver(0).Listen
    
    '将 LocalPort 属性设置为一个整数。
    '然后调用 Listen 方法。

    
End Sub



Private Sub Wskserver_ConnectionRequest(index As Integer, ByVal requestID As Long)

    Me.Show

    'If index = 0 Then
     '   intmax = intmax + 1
      '  Load Wskserver(intmax)
      '  Wskserver(intmax).LocalPort = 1000
      '  Load txtsenddata(intmax)
    'End If
   If Wskserver(0).State <> sckClosed Then Wskserver(0).Close
 
        
        Wskserver(0).Accept requestID    '接受具有 requestID 参数的连接。


End Sub


Private Sub txtsenddata_Change(index As Integer)

    '名为 txtSendData 的 TextBox 控件中包含了要发送的数据。
    '当用户往文本框中键入数据时，使用 SendData 方法发送输入的字符串。
    
    Wskserver(intmax).SendData txtsenddata(index).Text
    
End Sub

Private Sub Wskserver_DataArrival(index As Integer, ByVal bytesTotal As Long)
   
'为进入的数据声明一个变量。
'调用 GetData 方法，并将数据赋予名为 txtOutput的 TextBox 的 Text 属性。

    Dim strData As String
    Wskserver(intmax).GetData strData
    frmserver.txtoutput.Text = strData
    
End Sub