(Delphi ActiveX) Delete a Task from a Task List

Demonstrates how to delete a Google task from a task list.

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

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
fac: TCkFileAccess;
accessToken: WideString;
http: TChilkatHttp;
resp: IChilkatHttpResponse;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Get the previously obtained access token.
// See Get Google Tasks Access Token.

fac := TCkFileAccess.Create(Self);
accessToken := fac.ReadEntireTextFile('qa_data/tokens/googleTasks.txt','utf-8');
if (fac.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(fac.LastErrorText);
    Exit;
  end;

http := TChilkatHttp.Create(Self);

http.AuthToken := accessToken;

http.SetUrlVar('tasklist','MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow');
http.SetUrlVar('task','MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1');

resp := http.QuickRequest('DELETE','https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks/{$task}');
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// Show the response body. (empty for success)
Memo1.Lines.Add(resp.BodyStr);

// Examine the response status code. (204 = success)
Memo1.Lines.Add('response status code: ' + IntToStr(resp.StatusCode));
end;