frmconnect.frm

关于WINSOCK控件基本编程的例程,提供电子邮件例程

VERSION 5.00
Begin VB.Form FrmConnect 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "连接"
   ClientHeight    =   3075
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   3780
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3075
   ScaleWidth      =   3780
   ShowInTaskbar   =   0   'False
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton CmdPing 
      Caption         =   "PING"
      Height          =   615
      Left            =   960
      TabIndex        =   3
      Top             =   1080
      Width           =   1695
   End
   Begin VB.CommandButton CmdConnect 
      Caption         =   "连接"
      Height          =   615
      Left            =   960
      TabIndex        =   2
      Top             =   1920
      Width           =   1695
   End
   Begin VB.TextBox TxtIP 
      Height          =   495
      Left            =   1440
      TabIndex        =   1
      Top             =   120
      Width           =   2295
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "服务器地址为："
      Height          =   180
      Left            =   0
      TabIndex        =   0
      Top             =   240
      Width           =   1260
   End
End
Attribute VB_Name = "FrmConnect"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub CmdConnect_Click()
FrmMain.SockCli.Connect TxtIP
Me.Visible = False
End Sub

Private Sub CmdPing_Click()
Dim ECHO As ICMP_ECHO_REPLY
Dim pos As Integer
Call Ping(TxtIP, ECHO)
MsgBox GetStatusCode(ECHO.status)
MsgBox ECHO.Address
MsgBox ECHO.RoundTripTime & " ms"
MsgBox ECHO.DataSize & " bytes"
If Left$(ECHO.Data, 1) <> Chr$(0) Then
pos = InStr(ECHO.Data, Chr$(0))
MsgBox Left$(ECHO.Data, pos - 1)
End If
MsgBox ECHO.DataPointer
End Sub