1-) C# - C# - Whatsapp mesaj gönderme basit

whatsapp'ın windows uygulamasını kurarsanız daha basit olur.

using System;

using System.Windows.Forms;

namespace WhatsApp_R

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            sendWhatsApp(txtKime.Text,txtMesaj.Text);

        }

        private void sendWhatsApp(string number, string message)

        {

            try

            {

                number = "+90" + number;

                System.Diagnostics.Process.Start("http://api.whatsapp.com/send?phone=" + number + "&text=" + message);

            }

            catch (Exception ex)

            {

                MessageBox.Show("HATA " + ex.Message);

            }

        }

    }

}

BAŞKA BİRİ GELİŞTİRMİŞ İNCELEME LİNKİ :

https://www.youtube.com/watch?v=ohLDh3P9mtY&ab_channel=BozkurtYaz%C4%B1l%C4%B1m