Get Gmail thread id

Gmail provides a thread ID to associate groups of messages in the same manner as in the Gmail web interface.

Retrieval of this thread ID is supported via the X-GM-THRID attribute on the FETCH command.

The thread ID is a 64-bit unsigned integer.

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// C# version
 
using (Imap imap = new Imap())
{
    imap.ConnectSSL("imap.gmail.com");
    imap.UseBestLogin("pat@gmail.com", "password");
 
    imap.SelectInbox();
 
    List<long> uids = imap.GetAll();
    List<messageInfo> infos = imap.GetMessageInfoByUID(uids);
 
    foreach (MessageInfo info in infos)
    {
        Console.WriteLine("{0} - {1}",
            info.Envelope.GmailThreadId,
            info.Envelope.Subject);
    }
 
    imap.Close();
}
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' VB.NET version
 
Using imap As New Imap()
    imap.ConnectSSL("imap.gmail.com")
    imap.UseBestLogin("pat@gmail.com", "password")
 
    imap.SelectInbox()
 
    Dim uids As List(Of Long) = imap.GetAll()
    Dim infos As List(Of MessageInfo) = imap.GetMessageInfoByUID(uids)
 
    For Each info As MessageInfo In infos
        Console.WriteLine("{0} - {1}", _
                info.Envelope.GmailThreadId, _
                info.Envelope.Subject)
    Next
 
    imap.Close()
End Using

You can learn more about this Gmail IMAP extension here:
code.google.com/apis/gmail/imap/#x-gm-thrid

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One Response to “Get Gmail thread id”

  1. Gmail extensions in Mail.dll Says:
    June 13th, 2015 at 13:05

    […] Get Gmail thread id […]