public void setfs() {
GraphicsDevice dev = getGraphicsConfiguration().getDevice();
if (prefs != null) return;
prefs = dev.getDisplayMode();
try {
setVisible(false);
dispose();
setUndecorated(true);
setVisible(true);
dev.setFullScreenWindow(this);
dev.setDisplayMode(fsmode);
pack();
} catch (Exception e) {
throw (new RuntimeException(e));
}
}
