void client_DownloadImapMessageCompleted(object sender, ExtendedAsyncCompletedEventArgs <ImapMessage> e)
{
if (e.Error != null)
{
if (!HandleException(e.Error))
{
return;
}
}
if (_state == ConnectionState.Disconnecting)
{
Disconnect();
return;
}
MessageListInfo info = (MessageListInfo)e.UserState;
if (ShowMessage(e.Result, info) && !_cancelling)
{
client.DownloadImapMessageAsync(info.List[info.Index].UniqueId, ImapEnvelopeParts.Envelope, info);
}
else
{
EnableProgress(false, 0);
// Update the state.
listView_SelectedIndexChanged(null, null);
}
}
bool ShowMessage(ImapMessage msg, MessageListInfo info)
{
info.Index++;
if (msg != null)
{
// If From property is empty then use the Sender property.
string from = msg.From.ToString();
if (from.Length == 0 && msg.Sender != null)
{
from = msg.Sender.ToString();
}
string[] arr = new string[]
{
from, msg.Subject, msg.Date != null?msg.Date.ToString() : "1/1/1900",
(msg.Flags & ImapMessageFlags.Deleted) != 0 ? "Delete" : string.Empty, Util.FormatSize(msg.Size)
};
ListViewItem item = new ListViewItem(arr);
if ((msg.Flags & ImapMessageFlags.Seen) == 0)
{
// New message.
item.Font = new Font(item.Font, item.Font.Style | FontStyle.Bold);
item.ImageIndex = 2;
}
else
{
// Seen message.
item.ImageIndex = 3;
}
item.Tag = new ListItemTagInfo(msg.MessageInboxIndex, msg.UniqueId, msg.ReceivedDate, msg.Size);
// Add to the list.
listView.Items.Add(item);
// Update the status text.
toolStripProgressLabel.Text = string.Format("{0}/{1} message(s) retrieved", info.Index, info.List.Count);
}
else
{
toolStripProgressBar.Maximum--;
}
if (info.Index < toolStripProgressBar.Maximum)
{
toolStripProgressBar.Value = info.Index;
}
return(info.Index < info.List.Count);
}
void DownloadImapMessage(MessageListInfo info)
#endif
{
Retry:
ImapMessage m = info.List[info.Index];
if (_cancelling)
{
return;
}
#if Framework4_5
ImapMessage msg = null;
try
{
// Retrieve message information.
msg = await client.DownloadImapMessageAsync(m.UniqueId, ImapEnvelopeParts.Envelope);
}
catch (Exception ex)
{
if (!HandleException(ex))
{
return;
}
}
ShowMessage(msg, info);
if (_state == ConnectionState.Disconnecting)
{
Disconnect();
return;
}
if (!_cancelling && info.Index < info.List.Count)
{
goto Retry;
}
EnableProgress(false, 0);
// Update the state.
listView_SelectedIndexChanged(null, null);
#else
client.DownloadImapMessageAsync(m.UniqueId, ImapEnvelopeParts.Envelope, info);
#endif
}
void ShowMessageList(ImapMessageCollection col)
{
// Clear the message list.
listView.Items.Clear();
// Update the progress bar control.
toolStripProgressBar.Maximum = col.Count;
toolStripProgressBar.Value = 0;
MessageListInfo info = new MessageListInfo();
info.List = col;
if (info.List.Count > 0)
{
DownloadImapMessage(info);
}
else
{
EnableProgress(false, 0);
// Update the state.
listView_SelectedIndexChanged(null, null);
}
}
async void DownloadImapMessage(MessageListInfo info)
