예제 #1
0
        private void button1_Click(object sender, EventArgs e)
        {
            var sForm = CreditCardAuthorizeForm.Instance(_frmMain);

            sForm.Show();

            sForm.Activate();
        }
        public static CreditCardAuthorizeForm Instance(MainForm mainForm)
        {
            if (sForm == null)
            {
                sForm = new CreditCardAuthorizeForm(mainForm);
            }

            else
            {
                sForm.Close();
                sForm = new CreditCardAuthorizeForm(mainForm);
            }

            return(sForm);
        }