Delphi ActiveX Requires Chilkat v11.0.0+

Transition from MailMan.FetchByMsgnum to MailMan.FetchOne

Provides instructions for replacing deprecated FetchByMsgnum method calls with FetchOne. Delphi ActiveX

var
success: Integer;
mailman: TChilkatMailMan;
msgnum: Integer;
emailObj: IChilkatEmail;
headerOnly: Integer;
numBodyLines: Integer;
emailOut: TChilkatEmail;

begin
success := 0;

mailman := TChilkatMailMan.Create(Self);

//  ...
//  ...

msgnum := 123;

//  ------------------------------------------------------------------------
//  The FetchByMsgnum method is deprecated:

emailObj := mailman.FetchByMsgnum(msgnum);
if (mailman.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

//  ...
//  ...

//  ------------------------------------------------------------------------
//  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;

emailOut := TChilkatEmail.Create(Self);
success := mailman.FetchOne(headerOnly,numBodyLines,msgnum,emailOut.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;