private void btnDuplexTest_Click(object sender, EventArgs e)
{
if (speedTestForm == null)
{
speedTestForm = new SpeedTestForm();
speedTestForm.Show(this.ParentForm);
speedTestForm.FormClosed += SpeedTestForm_FormClosed;
}
else
{
speedTestForm.BringToFront();
}
}
private static void SpeedTestForm_FormClosed(object sender, FormClosedEventArgs e)
{
speedTestForm = null;
}
