private void empleadosToolStripMenuItem_Click(object sender, EventArgs e) { if (empleados == null) { empleados = new frmEmpleados(); empleados.MdiParent = this; empleados.FormClosed += new FormClosedEventHandler(empleadosFormClosed); empleados.Show(); } }
void empleadosFormClosed(object sender, EventArgs e) { empleados = null; }