diff --git a/src/ScadaLink.CentralUI/Components/Shared/TreeView.razor b/src/ScadaLink.CentralUI/Components/Shared/TreeView.razor
index cddb90f..de894d5 100644
--- a/src/ScadaLink.CentralUI/Components/Shared/TreeView.razor
+++ b/src/ScadaLink.CentralUI/Components/Shared/TreeView.razor
@@ -19,6 +19,14 @@ else
     </ul>
 }
 
+@if (_showContextMenu && _contextMenuItem != null && ContextMenu != null)
+{
+    <div class="tv-ctx-overlay" @onclick="DismissContextMenu" style="position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1049;background:transparent;"></div>
+    <div class="dropdown-menu show" style="position:fixed;top:@(_contextMenuY)px;left:@(_contextMenuX)px;z-index:1050;">
+        @ContextMenu(_contextMenuItem)
+    </div>
+}
+
 @{ void RenderNode(TItem item, int depth)
     {
         var key = KeySelector(item);
@@ -29,7 +37,8 @@ else
         <li role="treeitem" @key="key"
             aria-expanded="@(isBranch ? (isExpanded ? "true" : "false") : null)"
             aria-selected="@(Selectable && SelectedKey != null && SelectedKey.Equals(key) ? "true" : null)">
-            <div class="tv-row @(Selectable && SelectedKey != null && SelectedKey.Equals(key) ? SelectedCssClass : "")" style="padding-left: @(depth * IndentPx)px">
+            <div class="tv-row @(Selectable && SelectedKey != null && SelectedKey.Equals(key) ? SelectedCssClass : "")" style="padding-left: @(depth * IndentPx)px"
+                @oncontextmenu="(e) => OnContextMenu(e, item)" @oncontextmenu:preventDefault="@(ContextMenu != null)">
                 @if (isBranch)
                 {
                     <span class="tv-toggle" @onclick="() => ToggleExpand(key)" @onclick:stopPropagation>@(isExpanded ? "\u2212" : "+")</span>
@@ -60,6 +69,10 @@ else
     private HashSet<object> _expandedKeys = new();
     private bool _initialExpansionApplied;
     private bool _storageLoaded;
+    private TItem? _contextMenuItem;
+    private double _contextMenuX;
+    private double _contextMenuY;
+    private bool _showContextMenu;
 
     [Parameter, EditorRequired] public IReadOnlyList<TItem> Items { get; set; } = [];
     [Parameter, EditorRequired] public Func<TItem, IReadOnlyList<TItem>> ChildrenSelector { get; set; } = default!;
@@ -67,6 +80,7 @@ else
     [Parameter, EditorRequired] public Func<TItem, object> KeySelector { get; set; } = default!;
     [Parameter, EditorRequired] public RenderFragment<TItem> NodeContent { get; set; } = default!;
     [Parameter] public RenderFragment? EmptyContent { get; set; }
+    [Parameter] public RenderFragment<TItem>? ContextMenu { get; set; }
     [Parameter] public int IndentPx { get; set; } = 24;
     [Parameter] public bool ShowGuideLines { get; set; } = true;
     [Parameter] public Func<TItem, bool>? InitiallyExpanded { get; set; }
@@ -164,6 +178,22 @@ else
         }
     }
 
+    private void OnContextMenu(MouseEventArgs e, TItem item)
+    {
+        if (ContextMenu == null) return;
+
+        _contextMenuItem = item;
+        _contextMenuX = e.ClientX;
+        _contextMenuY = e.ClientY;
+        _showContextMenu = true;
+    }
+
+    private void DismissContextMenu()
+    {
+        _showContextMenu = false;
+        _contextMenuItem = default;
+    }
+
     /// <summary>Expand every branch node in the tree.</summary>
     public void ExpandAll()
     {
diff --git a/tests/ScadaLink.CentralUI.Tests/TreeViewTests.cs b/tests/ScadaLink.CentralUI.Tests/TreeViewTests.cs
index 544a12e..4096b93 100644
--- a/tests/ScadaLink.CentralUI.Tests/TreeViewTests.cs
+++ b/tests/ScadaLink.CentralUI.Tests/TreeViewTests.cs
@@ -1,5 +1,6 @@
 using Bunit;
 using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
 using ScadaLink.CentralUI.Components.Shared;
 
 namespace ScadaLink.CentralUI.Tests;
@@ -34,7 +35,8 @@ public class TreeViewTests : BunitContext
         object? selectedKey = null,
         Action<object?>? onSelectedKeyChanged = null,
         string? selectedCssClass = null,
-        string? storageKey = null)
+        string? storageKey = null,
+        RenderFragment<TestNode>? contextMenu = null)
     {
         return Render<TreeView<TestNode>>(parameters =>
         {
@@ -67,6 +69,11 @@ public class TreeViewTests : BunitContext
             {
                 parameters.Add(p => p.StorageKey, storageKey);
             }
+
+            if (contextMenu != null)
+            {
+                parameters.Add(p => p.ContextMenu, contextMenu);
+            }
         });
     }
 
@@ -456,4 +463,63 @@ public class TreeViewTests : BunitContext
         var labels = cut.FindAll(".node-label");
         Assert.Equal(2, labels.Count);
     }
+
+    [Fact]
+    public void ContextMenu_Null_NoMenuRendered()
+    {
+        var cut = RenderTreeView();
+
+        // Right-click Alpha
+        var row = cut.Find(".tv-row");
+        row.TriggerEvent("oncontextmenu", new MouseEventArgs { ClientX = 100, ClientY = 200 });
+
+        // No dropdown-menu should appear
+        Assert.Throws<Bunit.ElementNotFoundException>(() => cut.Find(".dropdown-menu"));
+    }
+
+    [Fact]
+    public void ContextMenu_RightClickShowsMenu()
+    {
+        var cut = RenderTreeView(contextMenu: node => builder =>
+        {
+            builder.AddMarkupContent(0, $"<button class=\"ctx-btn\">{node.Label}</button>");
+        });
+
+        // Right-click Alpha
+        var row = cut.Find(".tv-row");
+        row.TriggerEvent("oncontextmenu", new MouseEventArgs { ClientX = 100, ClientY = 200 });
+
+        // Dropdown menu should contain the button for Alpha
+        var menu = cut.Find(".dropdown-menu");
+        Assert.NotNull(menu);
+        var btn = menu.QuerySelector(".ctx-btn");
+        Assert.NotNull(btn);
+        Assert.Equal("Alpha", btn!.TextContent);
+    }
+
+    [Fact]
+    public void ContextMenu_RightClickDifferentNode_ReplacesMenu()
+    {
+        var cut = RenderTreeView(
+            initiallyExpanded: n => n.Key == "a",
+            contextMenu: node => builder =>
+            {
+                builder.AddMarkupContent(0, $"<button class=\"ctx-btn\">{node.Label}</button>");
+            });
+
+        // Right-click Alpha
+        var rows = cut.FindAll(".tv-row");
+        rows[0].TriggerEvent("oncontextmenu", new MouseEventArgs { ClientX = 100, ClientY = 200 });
+
+        // Now right-click Alpha-1
+        rows = cut.FindAll(".tv-row");
+        rows[1].TriggerEvent("oncontextmenu", new MouseEventArgs { ClientX = 150, ClientY = 250 });
+
+        // Should be only one dropdown-menu, showing Alpha-1
+        var menus = cut.FindAll(".dropdown-menu");
+        Assert.Single(menus);
+        var btn = menus[0].QuerySelector(".ctx-btn");
+        Assert.NotNull(btn);
+        Assert.Equal("Alpha-1", btn!.TextContent);
+    }
 }