实例介绍
【实例简介】利用 LumiSoft.Net实现 读取邮件内容实例
【实例截图】
【核心代码】
using System;
using System.IO;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
using Pop3ClinetApp.Resources;
using LumiSoft.Net.Log;
using LumiSoft.Net.MIME;
using LumiSoft.Net.Mail;
using LumiSoft.Net.POP3.Client;
namespace Pop3ClinetApp
{
/// <summary>
/// Application main window.
/// </summary>
public class wfrm_Main : Form
{
private TabControl m_pTab = null;
// TabPage Mail
private ToolStrip m_pTabMail_MessagesToolbar = null;
private ListView m_pTabMail_Messages = null;
private ListView m_pTabMail_Attachments = null;
private TextBox m_pTabMail_BodyText = null;
// TabPage Log
private RichTextBox m_pTabLog_LogText = null;
private POP3_Client m_pPop3 = null;
/// <summary>
/// Default constructor.
/// </summary>
public wfrm_Main()
{
InitUI();
this.Visible = true;
wfrm_Connect frm = new wfrm_Connect(new EventHandler<WriteLogEventArgs>(Pop3_WriteLog));
if(frm.ShowDialog(this) == DialogResult.OK){
m_pPop3 = frm.POP3;
FillMessagesList();
}
else{
Dispose();
}
}
#region method Dispose
/// <summary>
/// Cleans up any resources being used.
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
// Clean up POP3 client.
if(m_pPop3 != null){
m_pPop3.Dispose();
m_pPop3 = null;
}
}
#endregion
#region method InitUI
/// <summary>
/// Creates and initializes UI.
/// </summary>
private void InitUI()
{
this.ClientSize = new Size(700,500);
this.StartPosition = FormStartPosition.CenterScreen;
this.Icon = ResManager.GetIcon("app.ico");
this.Text = "POP3 Client demo";
m_pTab = new TabControl();
m_pTab.Dock = DockStyle.Fill;
#region TabPage Mail
m_pTab.TabPages.Add("Mail");
m_pTab.TabPages[0].ClientSize = new Size(700,500);
m_pTabMail_MessagesToolbar = new ToolStrip();
m_pTabMail_MessagesToolbar.Dock = DockStyle.None;
m_pTabMail_MessagesToolbar.Location = new Point(595,5);
m_pTabMail_MessagesToolbar.Anchor = AnchorStyles.Right | AnchorStyles.Top;
m_pTabMail_MessagesToolbar.GripStyle = ToolStripGripStyle.Hidden;
m_pTabMail_MessagesToolbar.BackColor = this.BackColor;
m_pTabMail_MessagesToolbar.Renderer = new ToolBarRendererEx();
m_pTabMail_MessagesToolbar.ItemClicked = new ToolStripItemClickedEventHandler(m_pTabMail_MessagesToolbar_ItemClicked);
// Save button
ToolStripButton button_Save = new ToolStripButton();
button_Save.Enabled = false;
button_Save.Image = ResManager.GetIcon("save.ico").ToBitmap();
button_Save.Name = "save";
button_Save.Tag = "save";
button_Save.ToolTipText = "Save";
m_pTabMail_MessagesToolbar.Items.Add(button_Save);
// Delete button
ToolStripButton button_Delete = new ToolStripButton();
button_Delete.Enabled = false;
button_Delete.Image = ResManager.GetIcon("delete.ico").ToBitmap();
button_Delete.Name = "delete";
button_Delete.Tag = "delete";
button_Delete.ToolTipText = "Delete";
m_pTabMail_MessagesToolbar.Items.Add(button_Delete);
m_pTabMail_Messages = new ListView();
m_pTabMail_Messages.Size = new Size(690,200);
m_pTabMail_Messages.Location = new Point(5,30);
m_pTabMail_Messages.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
m_pTabMail_Messages.View = View.Details;
m_pTabMail_Messages.HideSelection = false;
m_pTabMail_Messages.FullRowSelect = true;
m_pTabMail_Messages.Columns.Add("From",100);
m_pTabMail_Messages.Columns.Add("Subject",300);
m_pTabMail_Messages.Columns.Add("Received",120);
m_pTabMail_Messages.Columns.Add("Size",60);
m_pTabMail_Messages.SelectedIndexChanged = new EventHandler(m_pTabMail_Messages_SelectedIndexChanged);
m_pTabMail_Attachments = new ListView();
m_pTabMail_Attachments.Size = new Size(690,40);
m_pTabMail_Attachments.Location = new Point(5,240);
m_pTabMail_Attachments.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
m_pTabMail_Attachments.View = View.SmallIcon;
m_pTabMail_Attachments.MouseClick = new MouseEventHandler(m_pAttachments_MouseClick);
m_pTabMail_BodyText = new TextBox();
m_pTabMail_BodyText.Size = new Size(690,200);
m_pTabMail_BodyText.Location = new Point(5,285);
m_pTabMail_BodyText.Anchor = AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
m_pTabMail_BodyText.ScrollBars = ScrollBars.Both;
m_pTabMail_BodyText.Multiline = true;
m_pTab.TabPages[0].Controls.Add(m_pTabMail_MessagesToolbar);
m_pTab.TabPages[0].Controls.Add(m_pTabMail_Messages);
m_pTab.TabPages[0].Controls.Add(m_pTabMail_Attachments);
m_pTab.TabPages[0].Controls.Add(m_pTabMail_BodyText);
#endregion
#region TabPage Log
m_pTab.TabPages.Add("Log");
m_pTab.TabPages[1].ClientSize = new Size(700,500);
m_pTabLog_LogText = new RichTextBox();
m_pTabLog_LogText.Dock = DockStyle.Fill;
m_pTabLog_LogText.ReadOnly = true;
m_pTab.TabPages[1].Controls.Add(m_pTabLog_LogText);
#endregion
this.Controls.Add(m_pTab);
}
#endregion
#region Events Handling
#region method m_pTabMail_MessagesToolbar_ItemClicked
private void m_pTabMail_MessagesToolbar_ItemClicked(object sender,ToolStripItemClickedEventArgs e)
{
if(string.Equals(e.ClickedItem.Name,"save")){
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = "message.eml";
if(dlg.ShowDialog() == DialogResult.OK){
this.Cursor = Cursors.WaitCursor;
POP3_ClientMessage message = (POP3_ClientMessage)m_pTabMail_Messages.SelectedItems[0].Tag;
File.WriteAllBytes(dlg.FileName,message.MessageToByte());
this.Cursor = Cursors.Default;
}
}
else if(string.Equals(e.ClickedItem.Name,"delete")){
if(MessageBox.Show(this,"Do you want to delete selected message ?","Confirm Delete:",MessageBoxButtons.YesNo,MessageBoxIcon.Question) == DialogResult.Yes){
POP3_ClientMessage message = (POP3_ClientMessage)m_pTabMail_Messages.SelectedItems[0].Tag;
message.MarkForDeletion();
m_pTabMail_Messages.SelectedItems[0].Remove();
}
}
}
#endregion
#region method m_pTabMail_Messages_SelectedIndexChanged
private void m_pTabMail_Messages_SelectedIndexChanged(object sender,EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
try{
m_pTabMail_MessagesToolbar.Items["save"].Enabled = false;
m_pTabMail_MessagesToolbar.Items["delete"].Enabled = false;
if(m_pTabMail_Messages.SelectedItems.Count > 0){
m_pTabMail_Attachments.Items.Clear();
m_pTabMail_BodyText.Text = "";
POP3_ClientMessage message = (POP3_ClientMessage)m_pTabMail_Messages.SelectedItems[0].Tag;
Mail_Message mime = Mail_Message.ParseFromByte(message.MessageToByte());
foreach(MIME_Entity entity in mime.Attachments){
ListViewItem item = new ListViewItem();
if(entity.ContentDisposition != null && entity.ContentDisposition.Param_FileName != null){
item.Text = entity.ContentDisposition.Param_FileName;
}
else{
item.Text = "untitled";
}
item.Tag = entity;
m_pTabMail_Attachments.Items.Add(item);
}
if(mime.BodyText != null){
m_pTabMail_BodyText.Text = mime.BodyText;
}
m_pTabMail_MessagesToolbar.Items["save"].Enabled = true;
m_pTabMail_MessagesToolbar.Items["delete"].Enabled = true;
}
}
catch(Exception x){
MessageBox.Show(this,"Error: " x.Message,"Error:",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
this.Cursor = Cursors.Default;
}
#endregion
#region method m_pAttachments_MouseClick
private void m_pAttachments_MouseClick(object sender,MouseEventArgs e)
{
if(e.Button == MouseButtons.Right && m_pTabMail_Attachments.SelectedItems.Count > 0){
ContextMenuStrip menu = new ContextMenuStrip();
menu.Items.Add("Save");
menu.ItemClicked = new ToolStripItemClickedEventHandler(menu_ItemClicked);
menu.Show(Control.MousePosition);
}
}
private void menu_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
MIME_Entity entity = (MIME_Entity)m_pTabMail_Attachments.SelectedItems[0].Tag;
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = m_pTabMail_Attachments.SelectedItems[0].Text;
if(dlg.ShowDialog(this) == DialogResult.OK){
File.WriteAllBytes(dlg.FileName,((MIME_b_SinglepartBase)entity.Body).Data);
}
}
#endregion
#region method Pop3_WriteLog
private delegate void AppendText(string text);
/// <summary>
/// This method is called when POP3 client has new log entry.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">Event data.</param>
private void Pop3_WriteLog(object sender,WriteLogEventArgs e)
{
try{
if(e.LogEntry.EntryType == LogEntryType.Read){
m_pTabLog_LogText.BeginInvoke(new AppendText(m_pTabLog_LogText.AppendText),ObjectToString(e.LogEntry.RemoteEndPoint) " >> " e.LogEntry.Text "\r\n");
}
else if(e.LogEntry.EntryType == LogEntryType.Write){
m_pTabLog_LogText.BeginInvoke(new AppendText(m_pTabLog_LogText.AppendText),ObjectToString(e.LogEntry.RemoteEndPoint) " << " e.LogEntry.Text "\r\n");
}
else if(e.LogEntry.EntryType == LogEntryType.Text){
m_pTabLog_LogText.BeginInvoke(new AppendText(m_pTabLog_LogText.AppendText),ObjectToString(e.LogEntry.RemoteEndPoint) " xx " e.LogEntry.Text "\r\n");
}
}
catch(Exception x){
MessageBox.Show(x.ToString());
}
}
#endregion
#endregion
#region method FillMessagesList
/// <summary>
/// Gets messages list from POP3 server and adds them to UI.
/// </summary>
private void FillMessagesList()
{
this.Cursor = Cursors.WaitCursor;
try{
foreach(POP3_ClientMessage message in m_pPop3.Messages){
Mail_Message mime = Mail_Message.ParseFromByte(message.HeaderToByte());
ListViewItem item = new ListViewItem();
if(mime.From != null){
item.Text = mime.From.ToString();
}
else{
item.Text = "<none>";
}
if(string.IsNullOrEmpty(mime.Subject)){
item.SubItems.Add("<none>");
}
else{
item.SubItems.Add(mime.Subject);
}
item.SubItems.Add(mime.Date.ToString());
item.SubItems.Add(((decimal)(message.Size / (decimal)1000)).ToString("f2") " kb");
item.Tag = message;
m_pTabMail_Messages.Items.Add(item);
}
}
catch(Exception x){
MessageBox.Show(this,"Error: " x.Message,"Error:",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
this.Cursor = Cursors.Default;
}
#endregion
#region method ObjectToString
/// <summary>
/// Calls obj.ToSting() if obj is not null, otherwise returns "".
/// </summary>
/// <param name="obj">Object.</param>
/// <returns>Returns obj.ToSting() if obj is not null, otherwise returns "".</returns>
private string ObjectToString(object obj)
{
if(obj == null){
return "";
}
else{
return obj.ToString();
}
}
#endregion
}
}
好例子网口号：伸出你的我的手 — 分享！
小贴士
感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论