(Delphi DLL) Transition from Imap.Search to Imap.QueryMbx

Provides instructions for replacing deprecated Search method calls with QueryMbx.

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

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: HCkImap;
criteria: PWideChar;
bUid: Boolean;
msgSetObj: HCkMessageSet;
mset: HCkMessageSet;
success: Boolean;

begin
imap := CkImap_Create();

// ...
// ...

criteria := 'FROM bob@example.com';
bUid := True;

// ------------------------------------------------------------------------
// The Search method is deprecated:

msgSetObj := CkImap_Search(imap,criteria,bUid);
if (CkImap_getLastMethodSuccess(imap) = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// ...
// ...

CkMessageSet_Dispose(msgSetObj);

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

mset := CkMessageSet_Create();
success := CkImap_QueryMbx(imap,criteria,bUid,mset);
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

CkImap_Dispose(imap);
CkMessageSet_Dispose(mset);

end;