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Load a MessageSet from a Compact String

Demonstrates the Chilkat MessageSet.FromCompactString method, which clears the set and loads message identifiers from compact IMAP message-set syntax. The only argument is the compact string: a colon specifies an inclusive ascending range, and commas separate values or ranges. This example loads 1:5,8:10 and prints the result as a comma-separated list.

Background: Compact message-set syntax is how IMAP itself expresses groups of messages — 1:5,8:10 is far more concise than listing every id. FromCompactString is the inverse of ToCompactString: it parses that text into a set you can pass to Imap methods. Duplicates are removed, identifiers are sorted ascending, and the existing HasUids setting is preserved. Note the string carries only the numbers — it does not record whether they are UIDs or sequence numbers.

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Local $bSuccess = False

;  Demonstrates the MessageSet.FromCompactString method, which loads a set of message
;  identifiers from compact IMAP message-set syntax.  The only argument is the compact string.
;  A colon specifies an inclusive range, and commas separate values or ranges.

$oMsgSet = ObjCreate("Chilkat.MessageSet")

;  Load a compact message set.  "1:5,8:10" expands to 1,2,3,4,5,8,9,10.
$bSuccess = $oMsgSet.FromCompactString("1:5,8:10")
If ($bSuccess = False) Then
    ConsoleWrite($oMsgSet.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Count: " & $oMsgSet.Count & @CRLF)

;  Show the loaded identifiers in comma-separated form.
Local $sCsv = $oMsgSet.ToCommaSeparatedStr()
ConsoleWrite($sCsv & @CRLF)