M_VOLUME_DOWN
PostMessage(inv ? M_VOLUME_DOWN : M_SKIP_PREV);
PostMessage(inv ? M_SKIP_PREV : M_VOLUME_DOWN);
case M_VOLUME_DOWN:
PostMessage(M_VOLUME_DOWN);
PostMessage(M_VOLUME_DOWN);
PostMessage(M_VOLUME_DOWN);
PostMessage(M_VOLUME_DOWN);
PostMessage(M_VOLUME_DOWN);
PostMessage(M_VOLUME_DOWN);
if (dx > 0.1) PostMessage(inv ? M_VOLUME_DOWN : M_CHANNEL_PREV);
if (dy > 0.1) PostMessage(inv ? M_CHANNEL_PREV : M_VOLUME_DOWN);
case M_VOLUME_DOWN: