(VB.NET UWP/WinRT) Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one).

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

Dim imap As New Chilkat.Imap

' Connect to an IMAP server.
' Use TLS
imap.Ssl = True
imap.Port = 993
Dim success As Boolean = Await imap.ConnectAsync("imap.someMailServer.com")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Login
success = Await imap.LoginAsync("myLogin","myPassword")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Select an IMAP mailbox
success = Await imap.SelectMailboxAsync("Inbox")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If



Dim messageSet As Chilkat.MessageSet
' We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Boolean = True
' Get the message IDs of all the emails in the mailbox
messageSet = Await imap.SearchAsync("ALL",fetchUids)
If (imap.LastMethodSuccess = False) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Fetch the emails into a bundle object:
Dim bundle As Chilkat.EmailBundle
bundle = Await imap.FetchBundleAsync(messageSet)
If (imap.LastMethodSuccess = False) Then

    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' To mark a complete set of emails for deletion, call SetFlags:
success = Await imap.SetFlagsAsync(messageSet,"Deleted",1)
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Messages can also be marked for deletion individually:
' Loop over the bundle and mark each message for deletion.
Dim i As Integer = 0
Dim numEmails As Integer = bundle.MessageCount
While i < numEmails
    Dim email As Chilkat.Email = bundle.GetEmail(i)
    Debug.WriteLine(email.From)
    Debug.WriteLine(email.Subject)

    ' To delete this email, set the "Deleted" flag to 1.
    ' The email is not actually deleted until Expunge or
    ' ExpungeAndClose is called.
    success = Await imap.SetMailFlagAsync(email,"Deleted",1)
    If (success <> True) Then
        Debug.WriteLine(imap.LastErrorText)
        Exit Sub
    End If


    Debug.WriteLine("--")


    i = i + 1
End While

success = Await imap.ExpungeAndCloseAsync()
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)


    Exit Sub
End If


' Disconnect from the IMAP server.
success = Await imap.DisconnectAsync()