(Visual FoxPro) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL lnSuccess
LOCAL loImap
LOCAL lcSeenSearch
LOCAL lcNotSeenSearch
LOCAL lnFetchUids
LOCAL loMessageSet
LOCAL loBundle
LOCAL lnHeadersOnly
LOCAL loEmail
LOCAL i
LOCAL lnNumEmails

lnSuccess = 0

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

loImap = CreateObject('Chilkat.Imap')

* Connect to an IMAP server.
* Use TLS
loImap.Ssl = 1
loImap.Port = 993
lnSuccess = loImap.Connect("imap.example.com")
IF (lnSuccess = 0) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

* Login
lnSuccess = loImap.Login("admin@chilkatsoft.com","myPassword")
IF (lnSuccess = 0) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

* Select an IMAP mailbox
lnSuccess = loImap.SelectMailbox("Inbox")
IF (lnSuccess = 0) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

* Find emails marked as seen or not already seen:
lcSeenSearch = "SEEN"
lcNotSeenSearch = "NOT SEEN"

* Get the set of unseen message UIDs
lnFetchUids = 1
loMessageSet = CreateObject('Chilkat.MessageSet')
lnSuccess = loImap.QueryMbx(lcNotSeenSearch,lnFetchUids,loMessageSet)
IF (lnSuccess = 0) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    RELEASE loMessageSet
    CANCEL
ENDIF

* Fetch the unseen emails into a bundle object:
loBundle = CreateObject('Chilkat.EmailBundle')
lnHeadersOnly = 0
lnSuccess = loImap.FetchMsgSet(lnHeadersOnly,loMessageSet,loBundle)
IF (lnSuccess = 0) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    RELEASE loMessageSet
    RELEASE loBundle
    CANCEL
ENDIF

* Display the Subject and From of each email.
loEmail = CreateObject('Chilkat.Email')
i = 0
lnNumEmails = loBundle.MessageCount
DO WHILE i < lnNumEmails
    loBundle.EmailAt(i,loEmail)

    ? loEmail.GetHeaderField("Date")
    ? loEmail.Subject
    ? loEmail.From
    ? "--"
    i = i + 1
ENDDO

* Disconnect from the IMAP server.
lnSuccess = loImap.Disconnect()

RELEASE loImap
RELEASE loMessageSet
RELEASE loBundle
RELEASE loEmail