private void tsMenuGuardians_Click(object sender, EventArgs e) { if (guardianReg == null) { guardianReg = new frmGuardianRegistration(); guardianReg.MdiParent = this; guardianReg.FormClosed += new FormClosedEventHandler(guardianReg_FormClosed); guardianReg.Show(); } else { guardianReg.Activate(); guardianReg.WindowState = FormWindowState.Normal; } }
void guardianReg_FormClosed(object sender, FormClosedEventArgs e) { guardianReg = null; }