Telegram Delphi Client

Configuration Steps in Delphi

 Follow these steps to drop the component on a VCL or FMX form and prepare it for production use:

1. Install the sgcWebSockets package and add the sgcTelegram units to your project.
2. Place a TsgcTelegramClient component on the form. Set DatabasePath to a writable folder where TDLib can store encrypted caches.
3. Configure your Telegram API credentials. Assign ApiId and ApiHash obtained from my.telegram.org.
4. Provide the ApplicationVersion, DeviceModel, and SystemLanguageCode properties to align with Telegram platform requirements.
5. Hook into lifecycle events (OnAuthorizationState, OnUpdateConnectionState, OnNewMessage) to authenticate, monitor, and respond to incoming updates.
6. Call Connect at runtime to initiate the TDLib session and drive the authentication flow (phone number, SMS code, or bot token).

Delphi Code Example

The following example demonstrates a commercial-grade notification console that logs in as a bot, sends a welcome message, and stores customer replies: 

procedure TfrmTelegram.ConsoleAuthorize;
begin
  sgcTelegramClient1.Manager.LibraryPath := IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0))) + 'tdlib';
  sgcTelegramClient1.Manager.DatabasePath := GetHomePath + PathDelim + 'TelegramCache';
  sgcTelegramClient1.ApiId := <YOUR_API_ID>;
  sgcTelegramClient1.ApiHash := '<YOUR_API_HASH>';
  sgcTelegramClient1.PhoneNumber := '<COMPANY_BOT_TOKEN>';
  sgcTelegramClient1.ApplicationVersion := '2.0';
  sgcTelegramClient1.DeviceModel := 'Retail Notification Hub';
  sgcTelegramClient1.SystemLanguageCode := 'en';
  sgcTelegramClient1.Options.UseTestDataCenter := False;
  sgcTelegramClient1.Connect;
end;

procedure TfrmTelegram.sgcTelegramClient1AuthorizationState(Sender: TObject;
  const AState: TsgcTelegramAuthorizationState);
begin
  if AState.State = asReady then
  begin
    sgcTelegramClient1.Messages.SendMessage('<CUSTOMER_CHAT_ID>', 'Your order has shipped! Track it via our portal.');
  end;
end;

procedure TfrmTelegram.sgcTelegramClient1NewMessage(Sender: TObject;
  const AMessage: TsgcTelegramMessage);
begin
  MemoConsole.Lines.Add(Format('[%s] %s', [DateTimeToStr(Now), AMessage.Content.Text.Text]));
end; 

 This snippet illustrates how to configure file system paths, credentials, and event handlers. Replace placeholders with your production bot token and chat identifiers.

Advantages for Delphi Teams

• Unified component model: property editors, design-time inspectors, and LiveBindings enable rapid prototyping without boilerplate REST code.
• Broad protocol coverage: reuse the same sgcWebSockets framework for HTTP/2, MQTT, and WebSocket integrations, ensuring consistent architecture across departments.
• Professional support: priority updates and expert assistance shorten project timelines and mitigate technical risk.

Include the Telegram component in your next release to elevate customer communications, accelerate feature delivery, and unlock new revenue streams. Contact our sales team for licensing bundles or customized consulting engagements tailored to your vertical.