To use a Telegram bot to get user account details in VB.NET, you need to utilize the Telegram Bot API and establish a connection with your bot. Here’s an example of how you can achieve this:

  1. First, you need to install the Telegram.Bot package using the NuGet package manager in Visual Studio. Right-click on your project, select “Manage NuGet Packages,” search for “Telegram.Bot,” and install it.
  2. Import the necessary namespaces in your VB.NET code:
Imports Telegram.Bot
Imports Telegram.Bot.Args
Imports Telegram.Bot.Types

Module Module1
    Dim botToken As String = "YourBotToken"
    Dim botClient As TelegramBotClient

    Sub Main()
        botClient = New TelegramBotClient(botToken)
        AddHandler botClient.OnMessage, AddressOf Bot_OnMessage
        botClient.StartReceiving()

        Console.WriteLine("Bot started. Press any key to exit.")
        Console.ReadKey()

        botClient.StopReceiving()
    End Sub

    Private Sub Bot_OnMessage(sender As Object, e As MessageEventArgs)
        Dim message As Message = e.Message

        If message.Type = MessageType.Text Then
            Dim chatId As Long = message.Chat.Id

            Dim firstName As String = message.From.FirstName
            Dim lastName As String = message.From.LastName
            Dim username As String = message.From.Username

            Dim reply As String = $"First Name: {firstName}{vbCrLf}" &
                                  $"Last Name: {lastName}{vbCrLf}" &
                                  $"Username: {username}{vbCrLf}"

            botClient.SendTextMessageAsync(chatId, reply)
        End If
    End Sub
End Module

Finally, run your application and send a message to your bot on Telegram. The bot should reply with the user account details.

Don’t forget to replace your own "BotToken" with the actual token for your Telegram bot.