form1.vb

Visual Basic.NET精彩编程百例 第七章源码

Imports System
Imports System.Web
Imports System.Web.Mail
Imports System.Data
Imports System.Drawing
Imports System.Collections
Imports System.Windows.Forms
Imports System.ComponentModel

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 dispose 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 Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
    Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.TextBox5 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Label4 = New System.Windows.Forms.Label
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(24, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(64, 16)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "发件人："
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(80, 8)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(192, 20)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(24, 40)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(56, 32)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "收件人："
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(80, 40)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(192, 20)
        Me.TextBox2.TabIndex = 3
        Me.TextBox2.Text = ""
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(32, 72)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(48, 24)
        Me.Label3.TabIndex = 4
        Me.Label3.Text = "主题："
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(80, 72)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.Size = New System.Drawing.Size(192, 20)
        Me.TextBox3.TabIndex = 5
        Me.TextBox3.Text = ""
        '
        'TextBox5
        '
        Me.TextBox5.AutoSize = False
        Me.TextBox5.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.TextBox5.Location = New System.Drawing.Point(0, 174)
        Me.TextBox5.Name = "TextBox5"
        Me.TextBox5.Size = New System.Drawing.Size(292, 128)
        Me.TextBox5.TabIndex = 6
        Me.TextBox5.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(48, 136)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 8
        Me.Button1.Text = "发  送"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(176, 136)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(72, 24)
        Me.Button2.TabIndex = 9
        Me.Button2.Text = "添加附件"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(32, 104)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(48, 24)
        Me.Label4.TabIndex = 10
        Me.Label4.Text = "抄送："
        '
        'TextBox4
        '
        Me.TextBox4.Location = New System.Drawing.Point(80, 104)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.Size = New System.Drawing.Size(192, 20)
        Me.TextBox4.TabIndex = 11
        Me.TextBox4.Text = ""
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 302)
        Me.Controls.Add(Me.TextBox4)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox5)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label1)
        Me.Name = "Form1"
        Me.Text = "发送"
        Me.ResumeLayout(False)

    End Sub

#End Region
    Dim mails As New MailMessage
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        mails.From = Trim(TextBox1.Text)
        mails.To = Trim(TextBox2.Text)
        mails.Subject = Trim(TextBox3.Text)
        mails.Cc = Trim(TextBox4.Text)
        mails.Body = Trim(TextBox5.Text)
        Try
            If TextBox2.Text = "" Then
                MsgBox("请输入收件人的地址")
                Exit Sub
            End If
            If TextBox1.Text = "" Then
                MsgBox("请输入发件人的地址")
                Exit Sub
            End If
            mails.BodyEncoding = System.Text.Encoding.UTF8
            mails.BodyFormat = MailFormat.Html
            If TextBox3.Text = "" Then
                mails.Subject = Trim("未标题")
            End If
            SmtpMail.Send(mails)
        Catch ex As Exception
            MsgBox("邮件发送失败")
        End Try
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        OpenFileDialog1.ShowDialog()
        mails.Attachments.Add(Trim(OpenFileDialog1.FileName))
    End Sub

    Private Sub TextBox5_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)

    End Sub
End Class