using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Web.Mail;namespace Network{/// <summary>/// Form1 的摘要说明。/// </summary>public class Form1 : System.Windows.Forms.Form{private System.Windows.Forms.Label label1;private System.Windows.Forms.TextBox textBox1;private System.Windows.Forms.Label label2;private System.Windows.Forms.TextBox textBox2;private System.Windows.Forms.TextBox textBox3;private System.Windows.Forms.Label label3;private System.Windows.Forms.TextBox textBox4;private System.Windows.Forms.Label label4;private System.Windows.Forms.TextBox textBox5;private System.Windows.Forms.Label label5;private System.Windows.Forms.Label label6;private System.Windows.Forms.ComboBox comboBox1;private System.Windows.Forms.ComboBox comboBox2;private System.Windows.Forms.Label label7;private System.Windows.Forms.Button button1;private System.Windows.Forms.Button button2;private System.Windows.Forms.RichTextBox richTextBox1;private System.Windows.Forms.OpenFileDialog openFileDialog1;/// <summary>/// 必需的设计器变量。/// </summary>private System.ComponentModel.Container components = null;public Form1(){//// Windows 窗体设计器支持所必需的//InitializeComponent();//// TODO: 在 InitializeComponent 调用后添加任何构造函数代码//}/// <summary>/// 清理所有正在使用的资源。/// </summary>protected override void Dispose( bool disposing ){if( disposing ){if (components != null) {components.Dispose();}}base.Dispose( disposing );}#region Windows 窗体设计器生成的代码/// <summary>/// 设计器支持所需的方法 - 不要使用代码编辑器修改/// 此方法的内容。/// </summary>private void InitializeComponent(){this.label1 = new System.Windows.Forms.Label();this.textBox1 = new System.Windows.Forms.TextBox();this.label2 = new System.Windows.Forms.Label();this.textBox2 = new System.Windows.Forms.TextBox();this.textBox3 = new System.Windows.Forms.TextBox();this.label3 = new System.Windows.Forms.Label();this.textBox4 = new System.Windows.Forms.TextBox();this.label4 = new System.Windows.Forms.Label();this.textBox5 = new System.Windows.Forms.TextBox();this.label5 = new System.Windows.Forms.Label();this.label6 = new System.Windows.Forms.Label();this.comboBox1 = new System.Windows.Forms.ComboBox();this.comboBox2 = new System.Windows.Forms.ComboBox();this.label7 = new System.Windows.Forms.Label();this.button1 = new System.Windows.Forms.Button();this.button2 = new System.Windows.Forms.Button();this.richTextBox1 = new System.Windows.Forms.RichTextBox();this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();this.SuspendLayout();// // label1// this.label1.Location = new System.Drawing.Point(8, 16);this.label1.Name = "label1";this.label1.Size = new System.Drawing.Size(80, 16);this.label1.TabIndex = 0;this.label1.Text = "收件人地址：";// // textBox1// this.textBox1.Location = new System.Drawing.Point(88, 8);this.textBox1.Name = "textBox1";this.textBox1.Size = new System.Drawing.Size(280, 21);this.textBox1.TabIndex = 1;this.textBox1.Text = "";// // label2// this.label2.Location = new System.Drawing.Point(8, 40);this.label2.Name = "label2";this.label2.Size = new System.Drawing.Size(80, 16);this.label2.TabIndex = 2;this.label2.Text = "抄送人地址：";// // textBox2// this.textBox2.BackColor = System.Drawing.SystemColors.ActiveCaptionText;this.textBox2.Location = new System.Drawing.Point(88, 32);this.textBox2.Name = "textBox2";this.textBox2.Size = new System.Drawing.Size(280, 21);this.textBox2.TabIndex = 3;this.textBox2.Text = "";// // textBox3// this.textBox3.BackColor = System.Drawing.SystemColors.ActiveCaptionText;this.textBox3.Location = new System.Drawing.Point(88, 56);this.textBox3.Name = "textBox3";this.textBox3.Size = new System.Drawing.Size(280, 21);this.textBox3.TabIndex = 5;this.textBox3.Text = "";// // label3// this.label3.Location = new System.Drawing.Point(8, 64);this.label3.Name = "label3";this.label3.Size = new System.Drawing.Size(80, 16);this.label3.TabIndex = 4;this.label3.Text = "邮件主题：";// // textBox4// this.textBox4.BackColor = System.Drawing.SystemColors.Control;this.textBox4.Location = new System.Drawing.Point(88, 80);this.textBox4.Name = "textBox4";this.textBox4.ReadOnly = true;this.textBox4.Size = new System.Drawing.Size(200, 21);this.textBox4.TabIndex = 7;this.textBox4.Text = "";// // label4// this.label4.Location = new System.Drawing.Point(8, 88);this.label4.Name = "label4";this.label4.Size = new System.Drawing.Size(80, 16);this.label4.TabIndex = 6;this.label4.Text = "附件：";// // textBox5// this.textBox5.BackColor = System.Drawing.SystemColors.ActiveCaptionText;this.textBox5.Location = new System.Drawing.Point(88, 104);this.textBox5.Name = "textBox5";this.textBox5.Size = new System.Drawing.Size(280, 21);this.textBox5.TabIndex = 9;this.textBox5.Text = "";// // label5// this.label5.Location = new System.Drawing.Point(8, 112);this.label5.Name = "label5";this.label5.Size = new System.Drawing.Size(80, 16);this.label5.TabIndex = 8;this.label5.Text = "发件人地址：";// // label6// this.label6.Location = new System.Drawing.Point(8, 136);this.label6.Name = "label6";this.label6.Size = new System.Drawing.Size(56, 16);this.label6.TabIndex = 10;this.label6.Text = "优先级：";// // comboBox1// this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.comboBox1.Items.AddRange(new object[] { "正常", "高", "低"});this.comboBox1.Location = new System.Drawing.Point(64, 128);this.comboBox1.Name = "comboBox1";this.comboBox1.Size = new System.Drawing.Size(72, 20);this.comboBox1.TabIndex = 11;// // comboBox2// this.comboBox2.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.comboBox2.Items.AddRange(new object[] { "文本方式", "HTML方式"});this.comboBox2.Location = new System.Drawing.Point(208, 128);this.comboBox2.Name = "comboBox2";this.comboBox2.Size = new System.Drawing.Size(80, 20);this.comboBox2.TabIndex = 13;// // label7// this.label7.Location = new System.Drawing.Point(144, 136);this.label7.Name = "label7";this.label7.Size = new System.Drawing.Size(72, 16);this.label7.TabIndex = 12;this.label7.Text = "内容格式：";// // button1// this.button1.Location = new System.Drawing.Point(288, 128);this.button1.Name = "button1";this.button1.Size = new System.Drawing.Size(80, 21);this.button1.TabIndex = 14;this.button1.Text = "发送邮件";this.button1.Click = new System.EventHandler(this.button1_Click);// // button2// this.button2.Location = new System.Drawing.Point(288, 80);this.button2.Name = "button2";this.button2.Size = new System.Drawing.Size(80, 21);this.button2.TabIndex = 15;this.button2.Text = "浏览文件";this.button2.Click = new System.EventHandler(this.button2_Click);// // richTextBox1// this.richTextBox1.Location = new System.Drawing.Point(8, 152);this.richTextBox1.Name = "richTextBox1";this.richTextBox1.Size = new System.Drawing.Size(360, 160);this.richTextBox1.TabIndex = 16;this.richTextBox1.Text = "";// // Form1// this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);this.ClientSize = new System.Drawing.Size(376, 318);this.Controls.Add(this.richTextBox1);this.Controls.Add(this.button2);this.Controls.Add(this.button1);this.Controls.Add(this.comboBox2);this.Controls.Add(this.label7);this.Controls.Add(this.comboBox1);this.Controls.Add(this.label6);this.Controls.Add(this.textBox5);this.Controls.Add(this.label5);this.Controls.Add(this.textBox4);this.Controls.Add(this.label4);this.Controls.Add(this.textBox3);this.Controls.Add(this.label3);this.Controls.Add(this.textBox2);this.Controls.Add(this.label2);this.Controls.Add(this.textBox1);this.Controls.Add(this.label1);this.MaximizeBox = false;this.Name = "Form1";this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;this.Text = "演示发送电子邮件";this.ResumeLayout(false);}#endregion/// <summary>/// 应用程序的主入口点。/// </summary>[STAThread]static void Main() {Application.Run(new Form1());}private void button2_Click(object sender, System.EventArgs e){//浏览文件if(this.openFileDialog1.ShowDialog()==DialogResult.OK){this.textBox4.Text=this.openFileDialog1.FileName;}}private void button1_Click(object sender, System.EventArgs e){//发送邮件if(this.richTextBox1.Text.Length<1|this.textBox1.Text.Length<1|this.textBox5.Text.Length<1){MessageBox.Show("必须填写收件人地址、发件人地址和内容","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);return;}MailMessage MyMessage=new MailMessage();MyMessage.Priority=MailPriority.Normal;if(this.comboBox1.Text=="高")MyMessage.Priority=MailPriority.High;else if(this.comboBox1.Text=="低")MyMessage.Priority=MailPriority.Low;MyMessage.BodyFormat=MailFormat.Text;if(this.comboBox2.Text=="HTML方式")MyMessage.BodyFormat=MailFormat.Html;MyMessage.To=this.textBox1.Text;MyMessage.From=this.textBox5.Text;MyMessage.Body=this.richTextBox1.Text;MyMessage.BodyEncoding=System.Text.Encoding.UTF8;MyMessage.Subject=this.textBox3.Text;if(this.textBox2.Text!=""){MyMessage.Cc=this.textBox2.Text;}if(this.textBox4.Text!=""){//发送附件MailAttachment MyAttach=new MailAttachment(this.textBox4.Text);MyMessage.Attachments.Add(MyAttach);}try{SmtpMail.Send(MyMessage);MessageBox.Show("邮件发送成功！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);}catch(Exception Err){MessageBox.Show(Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);}}}}
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