(Delphi ActiveX) List all Labels in the User's Mailbox

List all Labels in the GMail User's Mailbox

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
success: Integer;
http: TChilkatHttp;
userId: WideString;
url: WideString;
sb: TChilkatStringBuilder;
json: TChilkatJsonObject;

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

http := TChilkatHttp.Create(Self);
http.AuthToken := 'GMAIL-ACCESS-TOKEN';

userId := 'me';
http.SetUrlVar('userId',userId);

url := 'https://www.googleapis.com/gmail/v1/users/{$userId}/labels';

http.SessionLogFilename := 'c:/temp/qa_output/sessionLog.txt';

// Get the list of GMail labels as JSON.
sb := TChilkatStringBuilder.Create(Self);
success := http.QuickGetSb(url,sb.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sb.ControlInterface);
json.EmitCompact := 0;
Memo1.Lines.Add(json.Emit());

if (http.LastStatus <> 200) then
  begin
    Memo1.Lines.Add('Failed.');
    Exit;
  end;
end;