private void buttonItem31_Click(object sender, EventArgs e) { DoiMatKhau dmk = new DoiMatKhau(); dmk.MdiParent = this; dmk.Show(); // this.Hide(); }
private void đổiMậtKhẩuToolStripMenuItem_Click(object sender, EventArgs e) { DoiMatKhau dmk = new DoiMatKhau(); dmk.MdiParent = this; dmk.Show(); }