private void button1_Click(object sender, EventArgs e)
 {
     TestoTemos f = new TestoTemos();
     f.Left = this.Left;
     f.Top = this.Top;
     f.Show();
 }
        private void button1_Click(object sender, EventArgs e)
        {
            TestoTemos f = new TestoTemos();

            f.Left = this.Left;
            f.Top  = this.Top;
            f.Show();
        }