private void button1_Click(object sender, EventArgs e) { string result = ""; Echo e1 = new Echo(); Echo e2 = new Echo(); int x = 0; while (x < 4) { result = result + e1.Hello() + "\n"; e1.count = e1.count + 1; if(x < 4) { e2.count = e2.count + 1; } if(x < 3) { e2.count = e2.count + e1.count; } x = x + 1; } MessageBox.Show(result + "Count: " + e2.count); }