case WXK_SHIFT: nKeySym = VK_SHIFT; break;
case WXK_CONTROL: nKeySym = VK_CTRL; break;
case WXK_PAUSE: nKeySym = VK_PAUSE; break;
case WXK_SHIFT: nKeySym = VK_SHIFT; break;
case WXK_CONTROL: nKeySym = VK_CTRL; break;
case WXK_PAUSE: nKeySym = VK_PAUSE; break;