private void button1_Click(object sender, EventArgs e)
        {
            iambase am1 = new iambase();
            iambase am2 = new iambase();
            MessageBox.Show(iambase.count.ToString());
        }

public class iambase
        {
            public static int count = 0;

            public iambase()
            {
                count++;
            }

             static iambase()
            {
                count++;
            }
        }