form1.vb

编程之道VB.NETt程序设计入门-589M.zip

Imports System.Web.Mail

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写处置以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意：以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents txtFrom As System.Windows.Forms.TextBox
    Friend WithEvents txtTo As System.Windows.Forms.TextBox
    Friend WithEvents txtCC As System.Windows.Forms.TextBox
    Friend WithEvents txtSubject As System.Windows.Forms.TextBox
    Friend WithEvents txtBody As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents btnSend As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.txtFrom = New System.Windows.Forms.TextBox()
        Me.txtTo = New System.Windows.Forms.TextBox()
        Me.txtCC = New System.Windows.Forms.TextBox()
        Me.txtSubject = New System.Windows.Forms.TextBox()
        Me.txtBody = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.Label4 = New System.Windows.Forms.Label()
        Me.btnSend = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'txtFrom
        '
        Me.txtFrom.Location = New System.Drawing.Point(72, 8)
        Me.txtFrom.Name = "txtFrom"
        Me.txtFrom.Size = New System.Drawing.Size(400, 21)
        Me.txtFrom.TabIndex = 0
        Me.txtFrom.Text = ""
        '
        'txtTo
        '
        Me.txtTo.Location = New System.Drawing.Point(72, 40)
        Me.txtTo.Name = "txtTo"
        Me.txtTo.Size = New System.Drawing.Size(400, 21)
        Me.txtTo.TabIndex = 0
        Me.txtTo.Text = ""
        '
        'txtCC
        '
        Me.txtCC.Location = New System.Drawing.Point(72, 72)
        Me.txtCC.Name = "txtCC"
        Me.txtCC.Size = New System.Drawing.Size(400, 21)
        Me.txtCC.TabIndex = 0
        Me.txtCC.Text = ""
        '
        'txtSubject
        '
        Me.txtSubject.Location = New System.Drawing.Point(72, 104)
        Me.txtSubject.Name = "txtSubject"
        Me.txtSubject.Size = New System.Drawing.Size(400, 21)
        Me.txtSubject.TabIndex = 0
        Me.txtSubject.Text = ""
        '
        'txtBody
        '
        Me.txtBody.Location = New System.Drawing.Point(8, 136)
        Me.txtBody.Multiline = True
        Me.txtBody.Name = "txtBody"
        Me.txtBody.Size = New System.Drawing.Size(464, 152)
        Me.txtBody.TabIndex = 0
        Me.txtBody.Text = ""
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(48, 16)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "发件人"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 40)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(48, 16)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "收件人"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(16, 72)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(48, 16)
        Me.Label3.TabIndex = 1
        Me.Label3.Text = "抄送"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(16, 104)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(48, 16)
        Me.Label4.TabIndex = 1
        Me.Label4.Text = "主题"
        '
        'btnSend
        '
        Me.btnSend.Location = New System.Drawing.Point(40, 296)
        Me.btnSend.Name = "btnSend"
        Me.btnSend.Size = New System.Drawing.Size(72, 24)
        Me.btnSend.TabIndex = 2
        Me.btnSend.Text = "发送"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(480, 326)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnSend, Me.Label1, Me.txtFrom, Me.txtTo, Me.txtCC, Me.txtSubject, Me.txtBody, Me.Label2, Me.Label3, Me.Label4})
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub btnSend_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSend.Click

        '把邮件内容转换成所需格式
        Dim sBody, sLine As String
        For Each sLine In txtBody.Lines
            sBody += sLine
            sBody += vbCrLf
        Next

        '构造电子邮件消息
        Dim mailMsg As New MailMessage()
        With mailMsg
            .From = txtFrom.Text.Trim
            .To = txtTo.Text.Trim
            .Cc = txtCC.Text.Trim
            .Subject = txtSubject.Text.Trim
            .Body = sBody
        End With

        '设置电子邮件服务器名
        SmtpMail.SmtpServer = "localhost"

        '发送电子邮件
        Try
            SmtpMail.Send(mailMsg)

            MessageBox.Show("恭喜，您的电子邮件已经成功发送！", _
                "邮件发送状态", MessageBoxButtons.OK, _
                MessageBoxIcon.Information)
        Catch ex As Exception
            MessageBox.Show("邮件未能成功发送！", "邮件发送状态", _
                MessageBoxButtons.OK, MessageBoxIcon.Error)
        End Try
    End Sub
End Class