frmlogin.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 frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登录"
   ClientHeight    =   1665
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   3915
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   983.737
   ScaleMode       =   0  'User
   ScaleWidth      =   3675.973
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox TxtServerIp 
      Height          =   344
      Left            =   1290
      TabIndex        =   4
      Top             =   600
      Width           =   2325
   End
   Begin VB.TextBox txtUserName 
      Height          =   344
      Left            =   1320
      TabIndex        =   1
      Top             =   120
      Width           =   2325
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   390
      Left            =   1200
      TabIndex        =   2
      Top             =   1200
      Width           =   1140
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "服务器IP："
      Height          =   180
      Left            =   120
      TabIndex        =   3
      Top             =   600
      Width           =   900
   End
   Begin VB.Label lblLabels 
      Caption         =   "用户名称："
      Height          =   270
      Index           =   0
      Left            =   105
      TabIndex        =   0
      Top             =   150
      Width           =   1080
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False



Private Sub cmdOK_Click()
    If txtUserName = "" Or TxtServerIp = "" Then
    '检查信息是否完整
        MsgBox "请填写完整信息！", vbOKOnly, "信息不全"
        txtUserName.SetFocus
    End If
    Form1.Winsock1.Connect TxtServerIp, 2001
    Do Until Form1.Winsock1.State = 7
    '等待连接成功后再发送
        DoEvents
    Loop
    Form1.Winsock1.SendData "~ni~" & "|" & "~ai~" & "|" & LenInfo(txtUserName) & txtUserName
    '“~ni~”为不在聊天室标志
    '“~ai~”为登录标志
    NowUser = txtUserName
    '激活各个按钮
    With Form1
    .Command1.Enabled = True
    .Command2.Enabled = True
    .Command3.Enabled = True
    End With
    Unload Me
End Sub

Private Sub Form_Load()

End Sub