private void polizaToolStripMenuItem_Click(object sender, EventArgs e)
{
if (pb == null)
{
pb = new poliza_batch();
pb.MdiParent = this;
pb.FormClosed += new FormClosedEventHandler(polizabatch_FormClosed);
pb.Show();
}
else
{
pb.Activate();
}
}
void polizabatch_FormClosed(object sender, EventArgs e)
{
pb = null;
}
