private void MoFormDangNhap()
{
metroPanel5.Visible = metroPanel6.Visible = metroPanel7.Visible = metroPanel8.Visible = metroPanel10.Visible = metroPanel11.Visible = metroPanel13.Visible = metroPanel14.Visible = metroPanel15.Visible = metroPanel16.Visible = false;
metroPanel1.Visible = metroPanel2.Visible = true;
panelTaiKhoan.Visible = false;
this.WindowState = FormWindowState.Normal;
this.Size = new Size(853, 650);
FrmDangNhap m_frmDangNhap = FrmDangNhap.Instance;
m_frmDangNhap.MdiParent = this;
m_frmDangNhap.Dock = DockStyle.Fill;
m_frmDangNhap.Style = style;
m_frmDangNhap.Show();
}
private void FrmDangNhap_FormClosed(object sender, FormClosedEventArgs e)
{
_Instance = null;
}