private void listadoStockToolStripMenuItem_Click(object sender, EventArgs e) { if (rptProd == null) { rptProd = new frmRptProductos(); rptProd.MdiParent = this; rptProd.FormClosed += new FormClosedEventHandler(rptProd_FormClosed); rptProd.Show(); } else { rptProd.Activate(); } }
void rptProd_FormClosed(object sender, FormClosedEventArgs e) { rptProd = null; }