form1.frm

这是一个通讯的代码

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   6105
   ClientLeft      =   60
   ClientTop       =   375
   ClientWidth     =   9765
   LinkTopic       =   "Form1"
   ScaleHeight     =   6105
   ScaleWidth      =   9765
   StartUpPosition =   3  '窗口缺省
   Begin MSWinsockLib.Winsock Winsock2 
      Left            =   1080
      Top             =   5400
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.CommandButton Command2 
      Caption         =   "连接"
      Height          =   375
      Left            =   7200
      TabIndex        =   5
      Top             =   2040
      Width           =   1215
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   7200
      TabIndex        =   4
      Top             =   1320
      Width           =   1815
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   7200
      TabIndex        =   3
      Top             =   600
      Width           =   1815
   End
   Begin MSWinsockLib.Winsock Winsock1 
      Left            =   240
      Top             =   5400
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.CommandButton Command1 
      Caption         =   "发送"
      Height          =   375
      Left            =   4920
      TabIndex        =   2
      Top             =   5400
      Width           =   1455
   End
   Begin VB.TextBox Text1 
      Height          =   975
      Left            =   240
      TabIndex        =   1
      Top             =   4080
      Width           =   6135
   End
   Begin VB.ListBox List1 
      Height          =   3480
      ItemData        =   "Form1.frx":0000
      Left            =   240
      List            =   "Form1.frx":0002
      TabIndex        =   0
      Top             =   240
      Width           =   6135
   End
   Begin VB.Label Label2 
      Caption         =   "端口号"
      Height          =   255
      Left            =   6600
      TabIndex        =   7
      Top             =   1440
      Width           =   615
   End
   Begin VB.Label Label1 
      Caption         =   "IP地址"
      Height          =   255
      Left            =   6600
      TabIndex        =   6
      Top             =   600
      Width           =   615
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Winsock1.SendData Text1.Text
List1.AddItem Text1.Text
End Sub

Private Sub Command2_Click()
If Winsock1.State <> sckClosed Then Winsock1.Close
Winsock1.RemoteHost = Text2.Text
Winsock1.RemotePort = 2000
Winsock1.Connect
End Sub


Private Sub Winsock1_DataArrival(ByVal bytesTotal As Long)
Dim str As String
Winsock1.GetData str
List1.AddItem str
End Sub



Private Sub Winsock2_ConnectionRequest(ByVal requestID As Long)
If Winsock2.State <> sckClosed Then Winsock.Close
Winsock2.Accept requestID

End Sub