* to select a dockable in a stack while building a layout).<br>
* There is no guarantee of success, this methods fails silently if the focus cannot be gained.
*/
public void toFront(){
if( isVisible() ){
FocusRequest request = new DefaultFocusRequest( intern(), null, false, true, false, true );
control.getOwner().intern().getController().setFocusedDockable( request );
}
}