private void subOp2ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (f3 == null)
{
f3 = new f3();
f3.Show();
f3.Owner = this;
//f3.FormClosed += new FormClosedEventHandler(HacerLuegoDeCerrarF3);
f3.FormClosed += HacerLuegoDeCerrarF3;
}
else
{
f3.Activate();
}
}
public void HacerLuegoDeCerrarF3(object sender, EventArgs e)
{
f3 = null;
}