(Delphi ActiveX) Twitter OAuth -- Tweet to Your Own Account

Demonstrates how to send a tweet (status update) to your own Twitter account using pre-known credentials, which includes:

1. Consumer Key
2. Consumer Secret
3. Access Token
4. Token Secret

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
http: TChilkatHttp;
req: TChilkatHttpRequest;
resp: IChilkatHttpResponse;

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

http := TChilkatHttp.Create(Self);

http.OAuth1 := 1;
http.OAuthVerifier := '';
http.OAuthConsumerKey := 'my-consumer-key';
http.OAuthConsumerSecret := 'my-consumer-secret';
http.OAuthToken := 'my-access-token';
http.OAuthTokenSecret := 'my-token-secret';

// Send the same status update as shown in this example:
// https://dev.twitter.com/docs/api/1.1/post/statuses/update

// IMPORTANT: Make sure this app has read/write access.  
// Otherwise it cannot post an update (i.e. tweet) to the Twitter account.

req := TChilkatHttpRequest.Create(Self);
req.AddParam('status','Maybe he''ll finally find his keys. #peterfalk');

resp := http.PostUrlEncoded('https://api.twitter.com/1.1/statuses/update.json',req.ControlInterface);

if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

if (resp.StatusCode = 200) then
  begin
    // Display the JSON response.
    Memo1.Lines.Add(resp.BodyStr);
  end
else
  begin
    Memo1.Lines.Add(http.LastErrorText);
  end;
end;