winsockclient.frm

VB6程序设计参考手册的独立源码

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form ClientFrm 
   AutoRedraw      =   -1  'True
   Caption         =   "Client"
   ClientHeight    =   3750
   ClientLeft      =   3795
   ClientTop       =   1905
   ClientWidth     =   4110
   LinkTopic       =   "Form1"
   ScaleHeight     =   3750
   ScaleWidth      =   4110
   Tag             =   "hello"
   Begin VB.TextBox Text1 
      Height          =   2415
      Left            =   120
      Locked          =   -1  'True
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   3
      Top             =   0
      Width           =   3855
   End
   Begin VB.TextBox Text2 
      Height          =   855
      Left            =   120
      MultiLine       =   -1  'True
      TabIndex        =   2
      Top             =   2520
      Width           =   3855
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   255
      Left            =   2640
      TabIndex        =   1
      Top             =   3480
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "发送"
      Height          =   255
      Left            =   240
      TabIndex        =   0
      Top             =   3480
      Width           =   1215
   End
   Begin MSWinsockLib.Winsock SockCL 
      Left            =   1800
      Top             =   3360
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
End
Attribute VB_Name = "ClientFrm"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim SendMsg As String

Private Sub Form_Load()
    '  指定服务器主机名
    SockCL.RemoteHost = "127.0.0.1"
    '  指定服务器端口名
    SockCL.RemotePort = 2000
    '  连接到服务器
    SockCL.Connect
End Sub

Private Sub SockCl_DataArrival(ByVal bytesTotal As Long)
    Dim DataStr As String
    
    '  接收数据到文本框中
    SockCL.GetData DataStr
    If Text1.Text = "" Then
        Text1.Text = "From Server: " & DataStr
    Else
        Text1.Text = Text1.Text & vbCrLf & "From Server: " & DataStr
    End If
End Sub

'  向服务器发送数据
Private Sub Command1_Click()
    SendMsg = Text2.Text
    SockCL.SendData SendMsg
End Sub

' 发送完毕后回显
Private Sub SockCL_SendComplete()
    If Text1.Text = "" Then
        Text1.Text = "To Server: " & SendMsg
    Else
        Text1.Text = Text1.Text & vbCrLf & "To Server: " & SendMsg
    End If
End Sub

'  退出程序
Private Sub Command2_Click()
    SockCL.Close
    End
End Sub