frmclient.frm

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VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form frmClient 
   Caption         =   "Client"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   BeginProperty Font 
      Name            =   "Arial"
      Size            =   9
      Charset         =   0
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.ComboBox cboProtocol 
      Height          =   345
      ItemData        =   "frmClient.frx":0000
      Left            =   720
      List            =   "frmClient.frx":000A
      Style           =   2  'Dropdown List
      TabIndex        =   8
      Top             =   120
      Width           =   1215
   End
   Begin VB.CommandButton cmdSend 
      Caption         =   "发消息"
      Height          =   495
      Left            =   3240
      TabIndex        =   7
      Top             =   2640
      Width           =   1215
   End
   Begin VB.TextBox txtMessage 
      Height          =   330
      Left            =   120
      TabIndex        =   6
      Text            =   "Text1"
      Top             =   2160
      Width           =   4335
   End
   Begin VB.TextBox txtIP 
      Height          =   330
      Left            =   720
      TabIndex        =   5
      Text            =   "127.0.0.1"
      Top             =   525
      Width           =   1215
   End
   Begin VB.TextBox txtPort 
      Height          =   330
      Left            =   720
      TabIndex        =   2
      Text            =   "61450"
      Top             =   960
      Width           =   1215
   End
   Begin VB.CommandButton cmdConnect 
      Caption         =   "连接"
      Height          =   495
      Left            =   240
      TabIndex        =   1
      Top             =   1440
      Width           =   1215
   End
   Begin VB.CommandButton cmdClose 
      Caption         =   "断开"
      Enabled         =   0   'False
      Height          =   495
      Left            =   1680
      TabIndex        =   0
      Top             =   1440
      Width           =   1215
   End
   Begin MSWinsockLib.Winsock wskClient 
      Left            =   2760
      Top             =   840
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.Label Label3 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "协议："
      Height          =   225
      Left            =   120
      TabIndex        =   9
      Top             =   180
      Width           =   540
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "IP："
      Height          =   225
      Left            =   120
      TabIndex        =   4
      Top             =   600
      Width           =   345
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "端口："
      Height          =   225
      Left            =   120
      TabIndex        =   3
      Top             =   1020
      Width           =   540
   End
End
Attribute VB_Name = "frmClient"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub cmdClose_Click()
    wskClient.Close '关闭连接和监听
    cmdClose.Enabled = False
    cmdConnect.Enabled = True
End Sub

Private Sub cmdConnect_Click()
    
    wskClient.RemoteHost = txtIP.Text '设置服务器IP
    wskClient.RemotePort = Val(txtPort.Text) '设置服务器端口
    If (cboProtocol.ListIndex = 0) Then
        wskClient.Protocol = sckTCPProtocol 'tcp
        wskClient.Connect '连接服务器
    Else
        wskClient.Protocol = sckUDPProtocol 'udp 不需要连接
    End If
    cmdClose.Enabled = True
    cmdConnect.Enabled = False
End Sub

Private Sub cmdSend_Click()
    If (Len(txtMessage.Text) > 0) Then
        wskClient.SendData txtMessage.Text '发送消息给服务器
    End If
End Sub

Private Sub Form_Load()
    cboProtocol.ListIndex = 0
End Sub