pdachess.Menu.menuItem2_Click C# (CSharp) Method

        private void menuItem2_Click(object sender, EventArgs e)
        {
            if ((textBox1.Text == "在此輸入使用者名稱") || (textBox1.Text == null) || textBox1.Text.Contains(' '))
            {
                MessageBox.Show("請輸入使用者名稱");
            }
            else
            {
                Form1 gamelocal = new Form1("Network", textBox1.Text);
                try
                {
                    gamelocal.Owner = this;
                    gamelocal.Show();
                    this.Hide();
                }
                catch { }
            }
        }