SyncfusionExamples · Keerthivasan-Ramamoorthy · Sep 5, 2025 · Jul 25, 2025 · Sep 2, 2025 · Sep 3, 2025
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/App.razor b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/App.razor
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="/" />
+    <link rel="stylesheet" href="@Assets["lib/bootstrap/dist/css/bootstrap.min.css"]" />
+    <link rel="stylesheet" href="@Assets["app.css"]" />
+    <link rel="stylesheet" href="@Assets["MindMapOrientation.styles.css"]" />
+    <ImportMap />
+    <link rel="icon" type="image/png" href="favicon.png" />
+    <HeadOutlet @rendermode="InteractiveServer" />
+    <script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>
+    <link href="_content/Syncfusion.Blazor.Themes/bootstrap5.css" rel="stylesheet" />
+</head>
+
+<body>
+    <Routes @rendermode="InteractiveServer" />
+    <script src="_framework/blazor.web.js"></script>
+</body>
+
+</html>
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/Layout/MainLayout.razor b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/Layout/MainLayout.razor
@@ -0,0 +1,10 @@
+@inherits LayoutComponentBase
+
+<div class="page">
+    <main>
+        <article class="content px-4">
+            @Body
+        </article>
+    </main>
+</div>
+
diff --git a/...mples/Layout/MindmapOrientation/MindMapOrientation/Components/Layout/MainLayout.razor.css b/...mples/Layout/MindmapOrientation/MindMapOrientation/Components/Layout/MainLayout.razor.css
@@ -0,0 +1,98 @@
+.page {
+    position: relative;
+    display: flex;
+    flex-direction: column;
+}
+
+main {
+    flex: 1;
+}
+
+.sidebar {
+    background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
+}
+
+.top-row {
+    background-color: #f7f7f7;
+    border-bottom: 1px solid #d6d5d5;
+    justify-content: flex-end;
+    height: 3.5rem;
+    display: flex;
+    align-items: center;
+}
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        white-space: nowrap;
+        margin-left: 1.5rem;
+        text-decoration: none;
+    }
+
+    .top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
+        text-decoration: underline;
+    }
+
+    .top-row ::deep a:first-child {
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+
+@media (max-width: 640.98px) {
+    .top-row {
+        justify-content: space-between;
+    }
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        margin-left: 0;
+    }
+}
+
+@media (min-width: 641px) {
+    .page {
+        flex-direction: row;
+    }
+
+    .sidebar {
+        width: 250px;
+        height: 100vh;
+        position: sticky;
+        top: 0;
+    }
+
+    .top-row {
+        position: sticky;
+        top: 0;
+        z-index: 1;
+    }
+
+    .top-row.auth ::deep a:first-child {
+        flex: 1;
+        text-align: right;
+        width: 0;
+    }
+
+    .top-row, article {
+        padding-left: 2rem !important;
+        padding-right: 1.5rem !important;
+    }
+}
+
+#blazor-error-ui {
+    color-scheme: light only;
+    background: lightyellow;
+    bottom: 0;
+    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
+    box-sizing: border-box;
+    display: none;
+    left: 0;
+    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
+    position: fixed;
+    width: 100%;
+    z-index: 1000;
+}
+
+    #blazor-error-ui .dismiss {
+        cursor: pointer;
+        position: absolute;
+        right: 0.75rem;
+        top: 0.5rem;
+    }
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/Pages/Index.razor b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/Pages/Index.razor
@@ -0,0 +1,111 @@
+@page "/"
+
+@using Syncfusion.Blazor.Diagram
+
+<SfDiagramComponent @ref="diagram" Height="600px" NodeCreating="OnNodeCreating" ConnectorCreating="OnConnectorCreating">
+    <RulerSettings>
+        <HorizontalRuler></HorizontalRuler>
+        <VerticalRuler></VerticalRuler>
+    </RulerSettings>
+    <DataSourceSettings ID="Id" ParentID="ParentId" DataSource="DataSource">
+    </DataSourceSettings>
+    <Layout Type="LayoutType.MindMap" @bind-Orientation="SelectedOrientation" GetBranch="GetBranch" HorizontalSpacing="50">
+        <LayoutMargin Top="20" Left="20"></LayoutMargin>
+    </Layout>
+</SfDiagramComponent>
+
+@code {
+    private SfDiagramComponent? diagram;
+    public LayoutOrientation SelectedOrientation { get; set; } = LayoutOrientation.Vertical;
+    public List<OrientationItem> LayoutOrientationOptions { get; set; } = new()
+    {
+        new OrientationItem { Text = "Vertical", Value = LayoutOrientation.Vertical },
+        new OrientationItem { Text = "Horizontal", Value = LayoutOrientation.Horizontal },
+        new OrientationItem { Text = "Left to Right", Value = LayoutOrientation.LeftToRight },
+        new OrientationItem { Text = "Right to Left", Value = LayoutOrientation.RightToLeft }
+    };
+
+    public List<MindMapDetails> DataSource { get; set; } = new()
+    {
+        new MindMapDetails { Id = "1", Label = "Project Planning", ParentId = "", Branch = "Root" },
+        new MindMapDetails { Id = "2", Label = "Requirements", ParentId = "1", Branch = "Right" },
+        new MindMapDetails { Id = "3", Label = "Design", ParentId = "1", Branch = "Right" },
+        new MindMapDetails { Id = "5", Label = "Stakeholder Analysis", ParentId = "2", Branch = "SubRight" },
+        new MindMapDetails { Id = "6", Label = "Documentation", ParentId = "2", Branch = "SubRight" },
+        new MindMapDetails { Id = "7", Label = "UI Design", ParentId = "3", Branch = "SubRight" },
+        new MindMapDetails { Id = "8", Label = "Database Design", ParentId = "3", Branch = "SubRight" }
+    };
+
+    private BranchType GetBranch(IDiagramObject obj)
+    {
+        if (obj is not Node node)
+            return BranchType.Left;
+        if (node.Data is not MindMapDetails mindMapData || string.IsNullOrWhiteSpace(mindMapData.Branch))
+            return BranchType.Left;
+        return Enum.TryParse(mindMapData.Branch, out BranchType branchType) 
+            ? branchType 
+            : BranchType.SubLeft;
+    }
+
+    // Method triggered by button click at runtime to set diagram orientation to vertical.
+    private void ChangeLayoutOrientation()
+    {
+       diagram.Layout.Orientation = LayoutOrientation.Vertical;
+    }
+
+    private void OnNodeCreating(IDiagramObject obj)
+    {
+        if (obj is not Node node) 
+            return;
+        // Apply default node styling.
+        node.Height = 100;
+        node.Width = 100;
+        node.BackgroundColor = "#6BA5D7";
+        node.Style = new ShapeStyle 
+        { 
+            Fill = "#6495ED", 
+            StrokeWidth = 1, 
+            StrokeColor = "white" 
+        };
+        node.Shape = new BasicShape { Type = NodeShapes.Basic };
+        // Add annotation with label from data.
+        if (node.Data is MindMapDetails mindMapData && !string.IsNullOrWhiteSpace(mindMapData.Label))
+        {
+            node.Annotations = new DiagramObjectCollection<ShapeAnnotation>
+            {
+                new ShapeAnnotation { Content = mindMapData.Label }
+            };
+        }
+    }
+
+    private void OnConnectorCreating(IDiagramObject obj)
+    {
+        if (obj is not Connector connector) 
+            return;
+        connector.Type = ConnectorSegmentType.Bezier;
+        connector.Style = new ShapeStyle 
+        { 
+            StrokeColor = "#6495ED", 
+            StrokeWidth = 2 
+        };
+        connector.TargetDecorator = new DecoratorSettings
+        {
+            Shape = DecoratorShape.None
+        };
+    }
+
+    public class OrientationItem
+    {
+        public string Text { get; set; } = string.Empty;
+        public LayoutOrientation Value { get; set; }
+    }
+
+    public class MindMapDetails
+    {
+        public string Id { get; set; } = string.Empty;
+        public string Label { get; set; } = string.Empty;
+        public string ParentId { get; set; } = string.Empty;
+        public string Branch { get; set; } = string.Empty;
+        public string Fill { get; set; } = string.Empty;
+    }
+}
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/Routes.razor b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/Routes.razor
@@ -0,0 +1,6 @@
+<Router AppAssembly="typeof(Program).Assembly">
+    <Found Context="routeData">
+        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)" />
+        <FocusOnNavigate RouteData="routeData" Selector="h1" />
+    </Found>
+</Router>
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/_Imports.razor b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Components/_Imports.razor
@@ -0,0 +1,10 @@
+@using System.Net.Http
+@using System.Net.Http.Json
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using static Microsoft.AspNetCore.Components.Web.RenderMode
+@using Microsoft.AspNetCore.Components.Web.Virtualization
+@using Microsoft.JSInterop
+@using MindMapOrientation
+@using MindMapOrientation.Components
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/MindMapOrientation_NET8.csproj b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/MindMapOrientation_NET8.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Blazor.Diagram" Version="*" />
+    <PackageReference Include="Syncfusion.Blazor.Themes" Version="*" />
+  </ItemGroup>
+
+</Project>
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/MindMapOrientation_NET9.csproj b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/MindMapOrientation_NET9.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Blazor.Diagram" Version="*" />
+    <PackageReference Include="Syncfusion.Blazor.Themes" Version="*" />
+  </ItemGroup>
+
+</Project>
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Program.cs b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Program.cs
@@ -0,0 +1,29 @@
+using MindMapOrientation.Components;
+using Syncfusion.Blazor;
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddRazorComponents()
+    .AddInteractiveServerComponents();
+builder.Services.AddSyncfusionBlazor();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Error", createScopeForErrors: true);
+    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+    app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+
+
+app.UseAntiforgery();
+
+app.MapStaticAssets();
+app.MapRazorComponents<App>()
+    .AddInteractiveServerRenderMode();
+
+app.Run();
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Properties/launchSettings.json b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/Properties/launchSettings.json
@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+    "profiles": {
+      "http": {
+        "commandName": "Project",
+        "dotnetRunMessages": true,
+        "launchBrowser": true,
+        "applicationUrl": "http://localhost:5128",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      },
+      "https": {
+        "commandName": "Project",
+        "dotnetRunMessages": true,
+        "launchBrowser": true,
+        "applicationUrl": "https://localhost:7001;http://localhost:5128",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      }
+    }
+  }
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/appsettings.Development.json b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}
diff --git a/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/appsettings.json b/UG-Samples/Layout/MindmapOrientation/MindMapOrientation/appsettings.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}