JavaFX - 学习combo-box组件

    package book;
    import javafx.geometry.Insets;
    import javafx.scene.control.Label;
    import javafx.scene.control.ContentDisplay;
    import javafx.scene.control.ScrollPane;
    import javafx.scene.control.TextArea;
    import javafx.scene.image.ImageView;
    import javafx.scene.layout.BorderPane;
    import javafx.scene.text.Font;
    
    public class DescriptionPane extends BorderPane {
    	
      private Label lblImageTitle = new Label();
      private TextArea taDescription = new TextArea();
      
      public DescriptionPane() {
    lblImageTitle.se