private void ShowOptionsForm()
{
if (optionsForm == null)
{
optionsForm = new OptionsForm();
optionsForm.Closed += optionsForm_Closed; // avoid reshowing a disposed form
optionsForm.Show();
}
else { optionsForm.Activate(); }
}
// null out the forms so we know to create a new one.
private void optionsForm_Closed(object sender, EventArgs e)
{
optionsForm = null;
}