private void subOp1ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (f2 == null)
{
f2 = new f2();
f2.Show();
f2.Owner = this;
//f2.FormClosed += new FormClosedEventHandler(HacerLuegoDeCerrarF2);
f2.FormClosed += HacerLuegoDeCerrarF2;
}
else
{
f2.Activate();
}
}
public void HacerLuegoDeCerrarF2(object sender, EventArgs e)
{
f2 = null;
}