C# da While Döngüsü

c#

        private void button1_Click(object sender, EventArgs e)

        {

            int a, b;

            a = Convert.ToInt32(textBox1.Text);

            b = Convert.ToInt32(textBox2.Text);

            while (a<=b)

            {

                listBox1.Items.Add("boom");

                a++;

            }

    

        }