Delphi ActiveX Requires Chilkat v11.0.0+

Transition from MailMan.GetHeaders to MailMan.FetchRange

Provides instructions for replacing deprecated GetHeaders method calls with FetchRange. Delphi ActiveX

var
success: Integer;
mailman: TChilkatMailMan;
numBodyLines: Integer;
fromIndex: Integer;
toIndex: Integer;
bundleObj: IChilkatEmailBundle;
keepOnServer: Integer;
headersOnly: Integer;
bundleOut: TChilkatEmailBundle;

begin
success := 0;

mailman := TChilkatMailMan.Create(Self);

//  ...
//  ...

numBodyLines := 3;
fromIndex := 0;
toIndex := 9;

//  ------------------------------------------------------------------------
//  The GetHeaders method is deprecated:

bundleObj := mailman.GetHeaders(numBodyLines,fromIndex,toIndex);
if (mailman.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

//  ...
//  ...

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

keepOnServer := 1;
headersOnly := 1;

bundleOut := TChilkatEmailBundle.Create(Self);
success := mailman.FetchRange(keepOnServer,headersOnly,numBodyLines,fromIndex,toIndex,bundleOut.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;