Delete All IMAP Email

Demonstrates two ways to delete all email in a mailbox on an IMAP server.

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LOCAL lnSuccess
LOCAL loImap
LOCAL loMessageSet
LOCAL i
LOCAL n


loImap = CreateObject('Chilkat.Imap')

*  Anything unlocks the component and begins a fully-functional 30-day trial.
lnSuccess = loImap.UnlockComponent("Anything for 30-day trial")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Turn on session logging:
loImap.KeepSessionLog = 1

*  Connect to an IMAP server.
lnSuccess = loImap.Connect("mail.chilkatsoft.com")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Login
lnSuccess = loImap.Login("myLogin","myPassword")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Select an IMAP mailbox
lnSuccess = loImap.SelectMailbox("Inbox.RubyMail")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Get the complete set of Uids for email in the selected mailbox.
loMessageSet = loImap.GetAllUids()
IF (loMessageSet = NULL ) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Set the Deleted flag for each message.
*  (ExpungeAndClose must be called to finalize the delete.)
lnSuccess = loImap.SetFlags(loMessageSet,"Deleted",1)
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Alternatively, the Deleted flag may be set for each UID
*  individiually, but this is less efficient:

n = loMessageSet.Count
FOR i = 0 TO n - 1
    lnSuccess = loImap.SetFlag(loMessageSet.GetId(i),loMessageSet.HasUids,"Deleted",1)
    IF (lnSuccess <> 1) THEN
        =MESSAGEBOX(loImap.LastErrorText)
        QUIT
    ENDIF

NEXT

*  Expunge and close the mailbox.
lnSuccess = loImap.ExpungeAndClose()
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loImap.LastErrorText)
    QUIT
ENDIF

*  Display the session log.
? loImap.SessionLog

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

RELEASE loMessageSet