Set the Tree Line : Tree « Swing JFC « Java

1. Java
2. Swing JFC
3. Tree

Set the Tree Line

    
import java.awt.BorderLayout;
import java.awt.Color;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.UIManager;

public class TreeLineSample {
  public static void main(String args[]) {
    String title = "JTree Sample";
    JFrame frame = new JFrame(title);
    

    UIManager.put("Tree.line", Color.green);
    JTree tree = new JTree();
    tree.putClientProperty("JTree.lineStyle", "Horizontal");
    tree.setSelectionModel(null);
    JScrollPane scrollPane = new JScrollPane(tree);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
  }
}

           
         
    
    
    
  

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