Java by API/org.eclipse.swt.events/HelpListener

implements HelpListener

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.events.HelpEvent; import org.eclipse.swt.events.HelpListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; public class MainClass {

 public static void main(String[] a) {
   Display display = new Display();
   // Create the main window
   Shell shell = new Shell(display);
   Text fahrenheit = new Text(shell, SWT.BORDER);
   fahrenheit.setData("Type a temperature in Fahrenheit");
   fahrenheit.setBounds(20,20,100,20);
   
   fahrenheit.addHelpListener(new HelpListener(){
     public void helpRequested(HelpEvent event) {
       System.out.println((String) event.widget.getData());
     }
    
   });
   
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }

}

      </source>