(VB.NET) Transition from MailMan.FetchSingleHeader to MailMan.FetchOne

Provides instructions for replacing deprecated FetchSingleHeader method calls with FetchOne.

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

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Dim mailman As New Chilkat.MailMan

' ...
' ...

Dim numBodyLines As Integer = 5
Dim msgnum As Integer = 1

' ------------------------------------------------------------------------
' The FetchSingleHeader method is deprecated:

Dim emailObj As Chilkat.Email = mailman.FetchSingleHeader(numBodyLines,msgnum)
If (mailman.LastMethodSuccess = False) Then
    Debug.WriteLine(mailman.LastErrorText)
    Exit Sub
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.

Dim headerOnly As Boolean = True

Dim emailOut As New Chilkat.Email
Dim success As Boolean = mailman.FetchOne(headerOnly,numBodyLines,msgnum,emailOut)
If (success = False) Then
    Debug.WriteLine(mailman.LastErrorText)
    Exit Sub
End If