Directory TreeView : TreeView « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. TreeView

using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;

class MyClass : Form
{
    public static void Main()
    {
        Application.Run(new MyClass());
    }
    public MyClass()
    {
        TreeView tree = new TreeView();
        tree.Parent = this;
        tree.Dock = DockStyle.Fill;

        TreeNode nodeDriveC = new TreeNode("C:\\");
        tree.Nodes.Add(nodeDriveC);

        AddDirectories(nodeDriveC);
    }
    void AddDirectories(TreeNode node)
    {
        string strPath = node.FullPath;
        DirectoryInfo dirinfo = new DirectoryInfo(strPath);
        DirectoryInfo[] adirinfo;

        adirinfo = dirinfo.GetDirectories();

        foreach (DirectoryInfo di in adirinfo)
        {
            TreeNode nodeDir = new TreeNode(di.Name);
            node.Nodes.Add(nodeDir);
            AddDirectories(nodeDir);
        }
    }
}

23.31.TreeView
	23.31.1.	Simple Treeview
	23.31.2.	Use TreeView.Nodes.AddRange to add nodes
	23.31.3.	TreeView selection event
	23.31.4.	Use TreeView to display Directories
	23.31.5.	TreeView: Add Nodes
	23.31.6.	Tree node foreground and background color, tooltips
	23.31.7.	Directory TreeView
	23.31.8.	Hierarchical Tree View for displaying database table