StyleSheet.display.setCurrent( StyleSheet.currentScreen );
StyleSheet.display.setCurrent( this.screen );
	public void commandAction(Command cmd, Displayable box) {		if (cmd == StyleSheet.CANCEL_CMD) {			this.midpTextBox.setString( this.text );		} else {			setString( this.midpTextBox.getString() );			if ( getScreen() instanceof Form) {				notifyStateChanged();			}		}		StyleSheet.display.setCurrent( StyleSheet.currentScreen );	}