Java Tutorial/SWT/Sash Event

Create a sash and add selection Listener

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.Shell;
public class SashSelectionListener {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    final Sash sash = new Sash(shell, SWT.BORDER | SWT.VERTICAL);
    sash.setBounds(10, 10, 32, 100);
    sash.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        System.out.println("selection");
        sash.setBounds(e.x, e.y, e.width, e.height);
      }
    });
    shell.open();
    sash.setFocus();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}