Send a Local File

Telegram_SendLocalFile.cs

            using (FileStream fs = System.IO.File.OpenRead("c:\test.txt"))
            {
                Telegram.Bot.Types.InputFiles.InputOnlineFile inputOnlineFile = new Telegram.Bot
                            .Types.InputFiles.InputOnlineFile(fs, "FileName.txt");
                await Bot.SendDocumentAsync(
                              chatId: new Telegram.Bot.Types.ChatId(1234),
                              document: inputOnlineFile,
                              caption: "User Manual",
                              parseMode: ParseMode.Markdown);
            }