晕倒,用个 showDiaolog 就行了.
F_userPopeSet userPopeSet = new F_userPopeSet();
userPopeSet.MdiParent = mainForm;
userPopeSet.Tag = 1;
userPopeSet.WindowState = FormWindowState.Maximized;
userPopeSet.Text = menuName;
//userPopeSet.Show();
userPopeSet.ShowDialog();
F_userPopeSet userPopeSet = new F_userPopeSet();
userPopeSet.MdiParent = mainForm;
userPopeSet.Tag = 1;
userPopeSet.WindowState = FormWindowState.Maximized;
userPopeSet.Text = menuName;
//userPopeSet.Show();
userPopeSet.ShowDialog();
你可以Google下。