Delphi ActiveX

Transition from MailMan.FetchMultipleHeaders to MailMan.FetchUidlSet

Provides instructions for replacing deprecated FetchMultipleHeaders method calls with FetchUidlSet. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
mailman: TChilkatMailMan;
saUidls: TCkStringArray;
stUidls: TChilkatStringTable;
numBodyLines: Integer;
bundleObj: IChilkatEmailBundle;
headersOnly: Integer;
bundleOut: TChilkatEmailBundle;

begin
success := 0;

mailman := TChilkatMailMan.Create(Self);

// ...
// ...

saUidls := TCkStringArray.Create(Self);
saUidls.Append('aaa');
saUidls.Append('bbb');
saUidls.Append('ccc');

stUidls := TChilkatStringTable.Create(Self);
stUidls.Append('aaa');
stUidls.Append('bbb');
stUidls.Append('ccc');

numBodyLines := 5;

// ------------------------------------------------------------------------
// The FetchMultipleHeaders method is deprecated:

bundleObj := mailman.FetchMultipleHeaders(saUidls.ControlInterface,numBodyLines);
if (mailman.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

// ...
// ...

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

headersOnly := 1;

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