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;
}