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(PureBasic) Determine the Number of Unseen Email MessagesDemonstrates how to determine how many unseen messages exist in an email account on an IMAP server.
IncludeFile "CkImap.pb" IncludeFile "CkMessageSet.pb" Procedure ChilkatExample() ; This example requires the Chilkat API to have been previously unlocked. ; See Global Unlock Sample for sample code. imap.i = CkImap::ckCreate() If imap.i = 0 Debug "Failed to create object." ProcedureReturn EndIf ; Connect to an IMAP server. ; Use TLS CkImap::setCkSsl(imap, 1) CkImap::setCkPort(imap, 993) success.i = CkImap::ckConnect(imap,"imap.someMailServer.com") If success <> 1 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; Login success = CkImap::ckLogin(imap,"***","***") If success <> 1 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; Select an IMAP mailbox success = CkImap::ckSelectMailbox(imap,"Inbox") If success <> 1 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; After selecting the mailbox. the total number of emails ; is immediately available: totalNum.i = CkImap::ckNumMessages(imap) Debug "Num messages = " + Str(totalNum) ; To determine the number of unseen messages, a call ; to Search is required, which returns the set of UIDs ; of all unseen messages. ; We can choose to fetch UIDs or sequence numbers. fetchUids.i = 1 messageSet.i = CkImap::ckSearch(imap,"UNSEEN",fetchUids) If CkImap::ckLastMethodSuccess(imap) = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf numUnseen.i = CkMessageSet::ckCount(messageSet) Debug Str(numUnseen) Debug "UIDs ----" ; Display the UIDs i.i = 0 msgId.i While i < CkMessageSet::ckCount(messageSet) msgId = CkMessageSet::ckGetId(messageSet,i) Debug Str(msgId) i = i + 1 Wend ; Disconnect from the IMAP server. success = CkImap::ckDisconnect(imap) CkMessageSet::ckDispose(messageSet) CkImap::ckDispose(imap) ProcedureReturn EndProcedure |
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