public static void HienThiNhomNguoiDung() { if (m_FrmNhomNguoiDung == null || m_FrmNhomNguoiDung.IsDisposed) { m_FrmNhomNguoiDung = new frmNhomNguoiDung(); m_FrmNhomNguoiDung.MdiParent = frmMain.ActiveForm; m_FrmNhomNguoiDung.Show(); } else { m_FrmNhomNguoiDung.Activate(); } }
private void tsGroup_Click(object sender, EventArgs e) { frmNhomNguoiDung frm = new frmNhomNguoiDung(); frm.ShowDialog(); }