(Mono C#) Async Upload (Append) Email to an IMAP Mailbox

Use the AppendMailAsync method call to append an email to an IMAP mailbox.

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// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Imap imap = new Chilkat.Imap();

// Connect to an IMAP server.
// Use TLS
imap.Ssl = true;
imap.Port = 993;
bool success = imap.Connect("MY-IMAP-DOMAIN");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Login
success = imap.Login("MY-IMAP-LOGIN","MY-IMAP-PASSWORD");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Create a simple email with 2 recipients.
Chilkat.Email email = new Chilkat.Email();
email.From = "support@chilkatsoft.com";
email.AddTo("Chilkat Sales","sales@chilkatsoft.com");
email.AddTo("Chilkat GMail","chilkat.support@gmail.com");
email.Body = "This is a test email.";
email.Subject = "This is a test email.";

// Imagine we've sent this email via SMTP, and now we want to 
// save the email to our "Sent" mailbox.  On GMail, the mailbox name
// for sent email is "[Gmail]/Sent Mail".

// Call the async version of the AppendMail method to return a task object.
Chilkat.Task task = imap.AppendMailAsync("[Gmail]/Sent Mail",email);
if (imap.LastMethodSuccess != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Schedule the task for running on the thread pool.  This changes the task's state
// from Inert to Live.  The task is now running...
success = task.Run();
if (success != true) {
    Debug.WriteLine(task.LastErrorText);

    return;
}

// -------------------------------------------------------------------------------
// The following is a general note that applies to all programming languages:
// -------------------------------------------------------------------------------
// Your application can keep a reference to the task object and periodically check back later to see if it's finished.
// If your programming language is one that supports callbacks, then the TaskCompleted callback can
// be setup to be called when the task completes.  (See the "Async" category on example-code.com for more information.)
// 
// NOTE: This is very important:  A TaskCompleted callback runs in the background thread.  
// (All callbacks from an async task, such as AbortCheck, PercentDone, ProgressInfo, etc. are in the background thread.) 
// An application that uses TaskCompleted must be very careful.  
// For example, user interface elements (such as labels, text boxes, etc.) may not be directly
// accessible from a background thread, and could crash the application if directly accessed.  Also, attempting to debug
// code running in a background thread from an IDE, especially an older IDE (such as VB6) is likely to crash the IDE.