void showOutbandDialog()
{
if (outbandForm != null)
{
outbandForm.Activate();
}
else
{
outbandForm = new OutBandwidth();
outbandForm.Show();
outbandForm.Activate();
outbandForm.FormClosed += hideOutbandDialog;
}
}
void hideOutbandDialog(object sender, FormClosedEventArgs e)
{
outbandForm.Dispose();
outbandForm = null;
Utils.ReleaseMemory(true);
}