[Icon] MyComputer > C: > Program Files > App   [History ▼]
       └─────┬─────┘
              └─ Click arrow to see child Bars dropdown

using Syncfusion.Windows.Forms.Tools;
using Syncfusion.Windows.Forms.Tools.Navigation;

// Create NavigationView
NavigationView navigationView1 = new NavigationView();
navigationView1.Width = 400;
navigationView1.Height = 25;
navigationView1.Location = new System.Drawing.Point(20, 20);

// Create root Bar
Bar rootBar = new Bar();
rootBar.Text = "MyComputer";

// Create child Bars
Bar driveC = new Bar();
driveC.Text = "Local Disk (C:)";

Bar driveD = new Bar();
driveD.Text = "Local Disk (D:)";

Bar programFiles = new Bar();
programFiles.Text = "Program Files";

// Build hierarchy
rootBar.Bars.AddRange(new Bar[] { driveC, driveD });
driveC.Bars.Add(programFiles);

// Add root to NavigationView
navigationView1.Bars.Add(rootBar);

// Set initial selection
navigationView1.SelectedBar = rootBar;

// Add to form
this.Controls.Add(navigationView1);

// Root = Computer
Bar computer = new Bar { Text = "This PC" };

// Drives
Bar cDrive = new Bar { Text = "Local Disk (C:)" };
Bar dDrive = new Bar { Text = "Local Disk (D:)" };

// Common folders
Bar users = new Bar { Text = "Users" };
Bar documents = new Bar { Text = "Documents" };
Bar downloads = new Bar { Text = "Downloads" };

// Build hierarchy
computer.Bars.AddRange(new Bar[] { cDrive, dDrive });
cDrive.Bars.Add(users);
users.Bars.AddRange(new Bar[] { documents, downloads });

navigationView1.Bars.Add(computer);
navigationView1.SelectedBar = computer;

public void LoadFoldersFromPath(string rootPath, Bar parentBar)
{
    try
    {
        var directories = Directory.GetDirectories(rootPath);
        
        foreach (var dir in directories)
        {
            Bar childBar = new Bar();
            childBar.Text = Path.GetFileName(dir);
            childBar.Tag = dir; // Store full path
            
            parentBar.Bars.Add(childBar);
            
            // Optionally load sub-folders
            // LoadFoldersFromPath(dir, childBar);
        }
    }
    catch (UnauthorizedAccessException)
    {
        // Handle permission errors
    }
}

// Usage
Bar rootBar = new Bar { Text = "C:", Tag = @"C:\" };
LoadFoldersFromPath(@"C:\", rootBar);
navigationView1.Bars.Add(rootBar);

// Enable history button
navigationView1.ShowHistoryButtons = true;

// Handle BarSelected event to track navigation
navigationView1.BarSelected += (sender, e) =>
{
    string currentPath = GetFullPath(navigationView1.SelectedBar);
    Console.WriteLine($"Navigated to: {currentPath}");
    
    // Update UI based on selection
    LoadContent(currentPath);
};

// Helper to build full path
private string GetFullPath(Bar bar)
{
    List<string> path = new List<string>();
    Bar current = bar;
    
    while (current != null)
    {
        path.Insert(0, current.Text);
        current = current.Parent as Bar;
    }
    
    return string.Join(" > ", path);
}

// Create custom search button
CustomButton searchButton = new CustomButton();
searchButton.Name = "searchButton";
searchButton.Image = Properties.Resources.SearchIcon; // Your icon
searchButton.Appearance = ButtonAppearance.Office2007;

// Handle click
searchButton.Click += (sender, e) =>
{
    // Show search dialog or panel
    ShowSearchPanel();
};

// Add to NavigationView
navigationView1.Controls.Add(searchButton);

// Enable edit mode
navigationView1.AllowEdit = true; // If property exists

// Handle path changes
navigationView1.BarSelected += (sender, e) =>
{
    if (navigationView1.SelectedBar.Tag is string path)
    {
        LoadDirectoryContents(path);
    }
};

Bar settings = new Bar { Text = "Settings" };
Bar appearance = new Bar { Text = "Appearance" };
Bar colors = new Bar { Text = "Colors" };
Bar fonts = new Bar { Text = "Fonts" };

settings.Bars.Add(appearance);
appearance.Bars.AddRange(new Bar[] { colors, fonts });

navigationView1.Bars.Add(settings);
navigationView1.SelectedBar = settings;

// Setup ImageList
ImageList imgList = new ImageList();
imgList.Images.Add("folder", Properties.Resources.FolderIcon);
imgList.Images.Add("doc", Properties.Resources.DocumentIcon);
navigationView1.ImageList = imgList;

// Create hierarchy with images
Bar root = new Bar { Text = "Documents", ImageIndex = 0 };
Bar contracts = new Bar { Text = "Contracts", ImageIndex = 0 };
Bar invoices = new Bar { Text = "Invoices", ImageIndex = 0 };

root.Bars.AddRange(new Bar[] { contracts, invoices });
navigationView1.Bars.Add(root);

navigationView1.BarPopup += (sender, e) =>
{
    // Limit items to 10 for better UX
    e.MaximumItemsToDisplay = 10;
    
    // Cancel popup for specific Bars
    if (e.CurrentBar.Text == "EmptyFolder")
    {
        e.Cancel = true;
    }
};