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Visual FoxPro Examples

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(Visual FoxPro) How to Download Messages in MessageSet One at a Time

If a message set contains a huge number of emails, it's NOT a good idea to try to download all at once into an email bundle using a method such as FetchBundle. It's better to interate over the message numbers in the set to download one by one.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loImap
LOCAL lnSuccess
LOCAL lnFetchUids
LOCAL loMessageSet
LOCAL i
LOCAL loEmail

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

* This example copies an email from one mailbox to another.
loImap = CreateObject('Chilkat_9_5_0.Imap')

* Connect using TLS.
loImap.Ssl = 1
loImap.Port = 993
lnSuccess = loImap.Connect("imap.example.com")
IF (lnSuccess <> 1) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

* Authenticate
lnSuccess = loImap.Login("email_account_login","email_account_password")
IF (lnSuccess <> 1) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

* Select an IMAP mailbox
lnSuccess = loImap.SelectMailbox("Inbox")
IF (lnSuccess <> 1) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

* Search for messages having "Test email" in the subject.
lnFetchUids = 1
loMessageSet = loImap.Search("ALL",lnFetchUids)
IF (loImap.LastMethodSuccess <> 1) THEN
    ? loImap.LastErrorText
    RELEASE loImap
    CANCEL
ENDIF

? "Number of messages = " + STR(loMessageSet.Count)

i = 0
DO WHILE i < loMessageSet.Count
    loEmail = loImap.FetchSingle(loMessageSet.GetId(i),lnFetchUids)
    IF (loImap.LastMethodSuccess <> 1) THEN
        ? loImap.LastErrorText
        RELEASE loMessageSet
        RELEASE loImap
        CANCEL
    ENDIF

    ? loEmail.From + "; " + loEmail.Subject
    RELEASE loEmail

    i = i + 1
ENDDO

RELEASE loMessageSet

? "OK"

RELEASE loImap


 

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