invoked when a window has been opened . concode_field_sep PlaceHolder placeHolder concode_field_sep void windowDeactivated concode_elem_sep void windowClosed concode_elem_sep void windowLostFocus concode_elem_sep void windowActivated concode_elem_sep void windowClosing concode_elem_sep void windowDeiconified concode_elem_sep void windowStateChanged concode_elem_sep void windowIconified concode_elem_sep void windowGainedFocus
void function ( WindowEvent arg0 ) { }