Delphi ActiveX

Transition from Imap.ThreadCmd to Imap.QueryThread

Provides instructions for replacing deprecated ThreadCmd method calls with QueryThread. 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;
imap: TChilkatImap;
threadAlg: WideString;
charset: WideString;
searchCriteria: WideString;
bUid: Integer;
jsonObj: IChilkatJsonObject;
json: TChilkatJsonObject;

begin
success := 0;

imap := TChilkatImap.Create(Self);

// ...
// ...

threadAlg := 'REFERENCES';
charset := 'UTF-8';
searchCriteria := 'SUBJECT a';
bUid := 1;

// ------------------------------------------------------------------------
// The ThreadCmd method is deprecated:

jsonObj := imap.ThreadCmd(threadAlg,charset,searchCriteria,bUid);
if (imap.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// ...
// ...

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

imap.SearchCharset := 'UTF-8';

json := TChilkatJsonObject.Create(Self);
success := imap.QueryThread(threadAlg,searchCriteria,bUid,json.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;
end;