(Xojo Plugin) List Yahoo Mail IMAP Mailboxes

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Note: This example requires Chilkat v11.0.0 or greater.

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Dim success As Boolean
success = False

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

// See Get Yahoo Mail OAuth2 Access Token for Desktop App 
// for sample code showing how to obtain a Yahoo Mail access token.

// In this example, our access token was previously saved to the following file which contains JSON like this:
// {
//   "access_token": "kCVQdnOdul...LHucA--",
//   "refresh_token": "AIenVXETSo0jklFBVkPS8vVm8E.Ej9ToRG.xDbDYmZ65WIs5t6CZhDrD",
//   "expires_in": 3600,
//   "token_type": "bearer",
//   "xoauth_yahoo_guid": "HGDQCVF5JB4YDOWHITQJFBHCWA"
// }

Dim json As New Chilkat.JsonObject
success = json.LoadFile("qa_data/tokens/yahooMail.json")
If (success <> True) Then
    System.DebugLog("Failed to load Yahoo Mail access token file.")
    Return
End If

Dim accessToken As String
accessToken = json.StringOf("access_token")

// Do OAuth2 authentication by using the access token as the password in the Login method below...
Dim imap As New Chilkat.Imap

imap.Ssl = True
imap.Port = 993

// Connect to the Yahoo IMAP server.
success = imap.Connect("imap.mail.yahoo.com")
If (success = False) Then
    System.DebugLog(imap.LastErrorText)
    Return
End If

// Indicate that XOAUTH2 authentication is to be used:
imap.AuthMethod = "XOAUTH2"

// Login
// Use the email address of the Yahoo Mail account that granted authorization.
success = imap.Login("user@yahoo.com",accessToken)
If (success <> True) Then
    System.DebugLog(imap.LastErrorText)
Else
    System.DebugLog("Successfully authenticated with Yahoo IMAP using XOAUTH2!")
End If

// Get the list of mailboxes.
Dim refName As String
refName = ""
Dim wildcardedMailbox As String
wildcardedMailbox = "*"
Dim subscribed As Boolean
subscribed = False

Dim mboxes As New Chilkat.Mailboxes
success = imap.MbxList(subscribed,refName,wildcardedMailbox,mboxes)
If (success = False) Then
    System.DebugLog(imap.LastErrorText)
    Return
End If

Dim i As Int32
i = 0
While i < mboxes.Count
    System.DebugLog(mboxes.GetName(i))
    i = i + 1
Wend

// Sample output looks like this:

// Archive
// Bulk Mail
// Draft
// Inbox
// Inbox/emailsWithAttach
// Inbox/test
// Sent
// Trash

// Disconnect from the IMAP server.
success = imap.Disconnect()