(Delphi DLL) Transition from Crypt2.LastJsonData to Crypt2.GetLastJsonData

Provides instructions for replacing deprecated LastJsonData method calls with GetLastJsonData.

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, Crypt2, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
crypt2: HCkCrypt2;
jsonObj: HCkJsonObject;
jsonOut: HCkJsonObject;
success: Boolean;

begin
crypt2 := CkCrypt2_Create();

// ...
// ...

// ------------------------------------------------------------------------
// The LastJsonData method is deprecated:

jsonObj := CkCrypt2_LastJsonData(crypt2);
if (CkCrypt2_getLastMethodSuccess(crypt2) = False) then
  begin
    Memo1.Lines.Add(CkCrypt2__lastErrorText(crypt2));
    Exit;
  end;

// ...
// ...

CkJsonObject_Dispose(jsonObj);

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

jsonOut := CkJsonObject_Create();
success := CkCrypt2_GetLastJsonData(crypt2,jsonOut);
if (success = False) then
  begin
    Memo1.Lines.Add(CkCrypt2__lastErrorText(crypt2));
    Exit;
  end;

CkCrypt2_Dispose(crypt2);
CkJsonObject_Dispose(jsonOut);

end;