private void btnStart_Click(object sender, System.EventArgs e)
{
_enableSettingControls(false, false);
if (!_tryOauth())
{
_enableSettingControls(true, false);
return;
}
if (ComboBoxAuthType.SelectedIndex == (int)ServerAuthType.AuthXOAUTH2)
{
textUser.Text = _oauthWrapper.OauthProvider.UserEmail;
textPassword.Text = _oauthWrapper.OauthProvider.AccessToken;
}
if (!_validateInput())
{
_enableSettingControls(true, false);
return;
}
_enableSettingControls(false, true);
// UIDL is the identifier of every email on POP3/IMAP4/Exchange server, to avoid retrieve
// the same email from server more than once, we record the email UIDL retrieved every time
// if you delete the email from server every time and not to leave a copy of email on
// the server, then please remove all the function about uidl.
// UIDLManager wraps the function to write/read uidl record from a text file.
UIDLManager oUIDLManager = new UIDLManager();
bool _isUidlLoaded = false;
try
{
// For evaluation usage, please use "TryIt" as the license code, otherwise the
// "Invalid license code" exception will be thrown. However, the object will expire in 1-2 months, then
// "Trial version expired" exception will be thrown.
MailClient client = new MailClient("TryIt");
// Catching the following events is not necessary,
// just make the application more user friendly.
// If you use the object in asp.net/windows service or non-gui application,
// You need not to catch the following events.
// To learn more detail, please refer to the code in EAGetMail EventHandler region
client.OnAuthorized += new MailClient.OnAuthorizedEventHandler(OnAuthorized);
client.OnConnected += new MailClient.OnConnectedEventHandler(OnConnected);
client.OnIdle += new MailClient.OnIdleEventHandler(OnIdle);
client.OnSecuring += new MailClient.OnSecuringEventHandler(OnSecuring);
client.OnReceivingDataStream += new MailClient.OnReceivingDataStreamEventHandler(OnReceivingDataStream);
_isCancelOperation = false;
textStatus.Text = "Connecting ...";
// generate a log file for debug
// client.LogFileName = string.Format("{0}\\log.txt", _currentPath);
MailServer server = _buildServer();
client.Connect(server);
string localInbox = _createLocalInbox();
// load existed uidl records to UIDLManager
string uidlfile = string.Format("{0}\\{1}", localInbox, _uidlFile);
oUIDLManager.Load(uidlfile);
_isUidlLoaded = true;
_setMailRange(ref client);
textStatus.Text = "Retrieveing email list ...";
MailInfo[] infos = client.GetMailInfos();
textStatus.Text = string.Format("Total {0} email(s)", infos.Length);
if (ComboBoxDateRange.SelectedIndex == 0)
{
// Remove the local uidl that is not existed on the server,
// we only synchronize it with uidl of all emails in current mail folder
oUIDLManager.SyncUIDL(server, infos);
oUIDLManager.Update();
}
for (int i = 0; i < infos.Length; i++)
{
pgBar.Maximum = 100;
pgBar.Minimum = 0;
pgBar.Value = 0;
textStatus.Text = string.Format("Checking {0}/{1}...", i + 1, infos.Length);
MailInfo info = infos[i];
if (oUIDLManager.FindUIDL(server, info.UIDL) != null)
{
//this email has been downloaded before.
continue;
}
textStatus.Text = string.Format("Retrieving {0}/{1}...", i + 1, infos.Length);
Mail mail = client.GetMail(info);
string fileName = _generateFileName(i + 1);
string fullFileName = string.Format("{0}\\{1}", localInbox, fileName);
mail.SaveAs(fullFileName, true);
_addNewMailToListView(ref mail, fullFileName);
mail.Clear();
LabelTotal.Text = string.Format("Total {0} email(s)", ListViewMail.Items.Count);
// If retrieve only new emails, after we retrieved it, mark it as read,
// With this feature, you don't have to UIDLManager to prevent duplicated emails.
if (chkNewOnly.Checked && ComboBoxProtocol.SelectedIndex != (int)ServerProtocol.Pop3)
{
client.MarkAsRead(info, true);
}
if (chkLeaveCopy.Checked)
{
// Add the email uidl to uidl file to avoid we retrieve it next time.
oUIDLManager.AddUIDL(server, info.UIDL, fileName);
}
else
{
textStatus.Text = string.Format("Deleting {0}...", i + 1);
client.Delete(info);
// Remove UIDL from local uidl file.
oUIDLManager.RemoveUIDL(server, info.UIDL);
}
}
// Delete method just mark the email as deleted,
// Quit method expunge the emails from server exactly.
client.Quit();
// Update the uidl list to local uidl file and then we can load it next time.
oUIDLManager.Update();
textStatus.Text = "Completed";
}
catch (Exception ep)
{
if (_isUidlLoaded)
{
// Update the uidl list to local uidl file and then we can load it next time.
oUIDLManager.Update();
}
MessageBox.Show(ep.Message);
textStatus.Text = ep.Message;
}
_enableSettingControls(true, false);
}
private void btnStart_Click(object sender, System.EventArgs e)
{
string server, user, password;
server = textServer.Text.Trim();
user = textUser.Text.Trim();
password = textPassword.Text.Trim();
if (server.Length == 0 || user.Length == 0 || password.Length == 0)
{
MessageBox.Show("Please input server, user and password.");
return;
}
btnStart.Enabled = false;
btnCancel.Enabled = true;
ServerAuthType authType = ServerAuthType.AuthLogin;
if (lstAuthType.SelectedIndex == 1)
{
authType = ServerAuthType.AuthCRAM5;
}
else if (lstAuthType.SelectedIndex == 2)
{
authType = ServerAuthType.AuthNTLM;
}
ServerProtocol protocol = (ServerProtocol)lstProtocol.SelectedIndex;
MailServer oServer = new MailServer(server, user, password,
chkSSL.Checked, authType, protocol);
//For evaluation usage, please use "TryIt" as the license code, otherwise the
//"invalid license code" exception will be thrown. However, the object will expire in 1-2 months, then
//"trial version expired" exception will be thrown.
MailClient oClient = new MailClient("TryIt");
//Catching the following events is not necessary,
//just make the application more user friendly.
//If you use the object in asp.net/windows service or non-gui application,
//You need not to catch the following events.
//To learn more detail, please refer to the code in EAGetMail EventHandler region
oClient.OnAuthorized += new MailClient.OnAuthorizedEventHandler(OnAuthorized);
oClient.OnConnected += new MailClient.OnConnectedEventHandler(OnConnected);
oClient.OnIdle += new MailClient.OnIdleEventHandler(OnIdle);
oClient.OnSecuring += new MailClient.OnSecuringEventHandler(OnSecuring);
oClient.OnReceivingDataStream += new MailClient.OnReceivingDataStreamEventHandler(OnReceivingDataStream);
bool bLeaveCopy = chkLeaveCopy.Checked;
// UIDL is the identifier of every email on POP3/IMAP4/Exchange server, to avoid retrieve
// the same email from server more than once, we record the email UIDL retrieved every time
// if you delete the email from server every time and not to leave a copy of email on
// the server, then please remove all the function about uidl.
// UIDLManager wraps the function to write/read uidl record from a text file.
UIDLManager oUIDLManager = new UIDLManager();
try
{
// load existed uidl records to UIDLManager
string uidlfile = String.Format("{0}\\{1}", m_curpath, m_uidlfile);
oUIDLManager.Load(uidlfile);
string mailFolder = String.Format("{0}\\inbox", m_curpath);
if (!Directory.Exists(mailFolder))
{
Directory.CreateDirectory(mailFolder);
}
m_bcancel = false;
lblStatus.Text = "Connecting ...";
oClient.Connect(oServer);
MailInfo[] infos = oClient.GetMailInfos();
lblStatus.Text = String.Format("Total {0} email(s)", infos.Length);
// remove the local uidl which is not existed on the server.
oUIDLManager.SyncUIDL(oServer, infos);
oUIDLManager.Update();
int count = infos.Length;
ArrayList arReport = new ArrayList();
for (int i = 0; i < count; i++)
{
MailInfo info = infos[i];
if (oUIDLManager.FindUIDL(oServer, info.UIDL) != null)
{
// This email has been downloaded or checked before.
continue;
}
lblStatus.Text = String.Format("Retrieving mail header {0}/{1}...", info.Index, count);
System.DateTime d = System.DateTime.Now;
System.Globalization.CultureInfo cur = new System.Globalization.CultureInfo("en-US");
string sdate = d.ToString("yyyyMMddHHmmss", cur);
string fileName = String.Format("{0}\\{1}{2}{3}.eml", mailFolder, sdate, d.Millisecond.ToString("d3"), i);
Mail oMail = new Mail("TryIt");
oMail.Load(oClient.GetMailHeader(info));
if (!oMail.IsReport)
{
// Not a report, continue
// Add the email uidl to uidl file to avoid we check it next time.
oUIDLManager.AddUIDL(oServer, info.UIDL, fileName);
continue;
}
// This is a report, get the entire email.
oMail = oClient.GetMail(info);
oMail.SaveAs(fileName, true);
ListViewItem item = new ListViewItem(oMail.From.ToString());
item.SubItems.Add(oMail.Subject);
item.SubItems.Add(oMail.ReceivedDate.ToString("yyyy-MM-dd HH:mm:ss"));
item.Font = new System.Drawing.Font(item.Font, FontStyle.Bold);
item.Tag = fileName;
lstMail.Items.Insert(0, item);
oMail.Clear();
lblTotal.Text = String.Format("Total {0} email(s)", lstMail.Items.Count);
arReport.Add(info); // Add the report mail info to arraylist,
// then we can delete it later.
if (bLeaveCopy)
{
// Add the email uidl to uidl file to avoid we retrieve it next time.
oUIDLManager.AddUIDL(oServer, info.UIDL, fileName);
}
}
if (!bLeaveCopy)
{
lblStatus.Text = "Deleting ...";
count = arReport.Count;
for (int i = 0; i < count; i++)
{
MailInfo info = arReport[i] as MailInfo;
oClient.Delete(info);
// Remove UIDL from local uidl file.
oUIDLManager.RemoveUIDL(oServer, info.UIDL);
}
}
// Delete method just mark the email as deleted,
// Quit method pure the emails from server exactly.
oClient.Quit();
}
catch (Exception ep)
{
MessageBox.Show(ep.Message);
}
// Update the uidl list to local uidl file and then we can load it next time.
oUIDLManager.Update();
lblStatus.Text = "Completed";
pgBar.Maximum = 100;
pgBar.Minimum = 0;
pgBar.Value = 0;
btnStart.Enabled = true;
btnCancel.Enabled = false;
}
