(Tcl) Transition from MailMan.GetHeaders to MailMan.FetchRange

Provides instructions for replacing deprecated GetHeaders method calls with FetchRange.

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

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load ./chilkat.dll

set mailman [new_CkMailMan]

# ...
# ...

set numBodyLines 3
set fromIndex 0
set toIndex 9

# ------------------------------------------------------------------------
# The GetHeaders method is deprecated:

# bundleObj is a CkEmailBundle
set bundleObj [CkMailMan_GetHeaders $mailman $numBodyLines $fromIndex $toIndex]
if {[CkMailMan_get_LastMethodSuccess $mailman] == 0} then {
    puts [CkMailMan_lastErrorText $mailman]
    delete_CkMailMan $mailman
    exit
}

# ...
# ...

delete_CkEmailBundle $bundleObj

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

set keepOnServer 1
set headersOnly 1

set bundleOut [new_CkEmailBundle]

set success [CkMailMan_FetchRange $mailman $keepOnServer $headersOnly $numBodyLines $fromIndex $toIndex $bundleOut]
if {$success == 0} then {
    puts [CkMailMan_lastErrorText $mailman]
    delete_CkMailMan $mailman
    delete_CkEmailBundle $bundleOut
    exit
}


delete_CkMailMan $mailman
delete_CkEmailBundle $bundleOut