private void btnAdd_Click(object sender, EventArgs e) { AddList al = new AddList(); al.Show(); al.Owner = this;//重要的一步,主要是使Form2的Owner指針指向Form1 }
private void toolStripMenuItem3_Click(object sender, EventArgs e) { AddList add_list = new AddList(); add_list.Show(); add_list.Owner = this; }