private void ShowHotKeySettingsForm()
{
if (hotkeySettingsForm != null)
{
hotkeySettingsForm.Activate();
}
else
{
hotkeySettingsForm = new HotkeySettingsForm(controller);
hotkeySettingsForm.Show();
hotkeySettingsForm.Activate();
hotkeySettingsForm.FormClosed += hotkeySettingsForm_FormClosed;
}
}