private void ButtonStart_Click(object sender, EventArgs e)
        {
            //var main = new Main();
            //main.Show();
            Cursor       = Cursors.WaitCursor;
            this.Enabled = false;
            var message  = "";
            var remoting = Remoting.Instance("key", out message);

            Cursor = Cursors.Default;

            if (remoting == null)
            {
                MessageBox.Show(message, "错误");
            }
            else
            {
                Main.RemotingInstance = remoting;
                DialogResult          = System.Windows.Forms.DialogResult.OK;
            }

            this.Cursor  = Cursors.Default;
            this.Enabled = true;
        }