(VBScript) Transition from MailMan.FetchByMsgnum to MailMan.FetchOne

Provides instructions for replacing deprecated FetchByMsgnum method calls with FetchOne.

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

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

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.MailMan")
set mailman = CreateObject("Chilkat.MailMan")

' ...
' ...

msgnum = 123

' ------------------------------------------------------------------------
' The FetchByMsgnum method is deprecated:

' emailObj is a Chilkat.Email
Set emailObj = mailman.FetchByMsgnum(msgnum)
If (mailman.LastMethodSuccess = 0) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

' ...
' ...

' ------------------------------------------------------------------------
' Do the equivalent using FetchOne.
' Your application creates a new, empty Email object which is passed 
' in the last argument and filled upon success.

headerOnly = 0
' Irrelevant because we are not downloading headers-only.
numBodyLines = 0

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Email")
set emailOut = CreateObject("Chilkat.Email")
success = mailman.FetchOne(headerOnly,numBodyLines,msgnum,emailOut)
If (success = 0) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If


outFile.Close