protected override void WndProc(ref Message m)
{
    if (On)
    {
        if (m.Msg == WM_KEYDOWN)
        {
            clicker.Enabled = true;
        }

        switch (m.Msg)
        {
            case 0x202:
                //(clicker is timer)
                clicker.Enabled = false;
                break;
        }
    }
    base.WndProc(ref m);
}