JavaFx setOnCloseRequest & File check wait

Question

I have two windows. The first one is been launched if a property file doesn\'t exist. The second is ( I want it to be) opened if the file already exists OR when the user click t

Answer 1

If you don't want to close the window, you should consume the close request event:

if(prop.getProperty("name") != null || f.exists()) {
    primaryStage.show();
} else {
    e.consume();
}