实例介绍
【实例简介】查看邮箱邮件详情，很全面的demo
【实例截图】
【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)
{
this.Cursor = Cursors.WaitCursor;
try{
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();
}
}
}
catch(Exception x){
MessageBox.Show(this,"Error: " x.Message,"Error:",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
this.Cursor = Cursors.Default;
}
#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
private void InitializeComponent()
{
this.SuspendLayout();
//
// wfrm_Main
//
this.ClientSize = new System.Drawing.Size(284, 262);
this.Name = "wfrm_Main";
this.Load = new System.EventHandler(this.wfrm_Main_Load);
this.ResumeLayout(false);
}
private void wfrm_Main_Load(object sender, EventArgs e)
{
}
}
}
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