From 01afc494361a7d191f5d096e77dc1ad8a3a2d3c9 Mon Sep 17 00:00:00 2001
From: Ramya <ramya.subramani@syncfusion.com>
Date: Thu, 27 Aug 2026 19:01:11 +0530
Subject: [PATCH] 1048325: Added Example

---
 .../Server/Pages/Methods/AddAsyncMethod.razor | 56 +++++++++++++++++++
 .../Pages/Methods/AddDiagramElements.razor    | 34 +++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 Diagram/Server/Pages/Methods/AddAsyncMethod.razor

diff --git a/Diagram/Server/Pages/Methods/AddAsyncMethod.razor b/Diagram/Server/Pages/Methods/AddAsyncMethod.razor
new file mode 100644
index 00000000..80ddb08c
--- /dev/null
+++ b/Diagram/Server/Pages/Methods/AddAsyncMethod.razor
@@ -0,0 +1,56 @@
+@page "/AddAsyncMethod"
+
+@using Syncfusion.Blazor.Diagram
+@using Syncfusion.Blazor.Buttons
+
+<SfButton Content="Add Port and Annotation" OnClick="@AddPortAndAnnotationAsync" />
+
+<SfDiagramComponent @ref="_diagram" Width="900px" Height="500px" Nodes="@_nodes" Connectors="@_connectors">
+</SfDiagramComponent>
+
+@code
+{
+    // Reference the diagram.
+    private SfDiagramComponent _diagram;
+
+    // Initialize the nodes and connectors collections.
+    private DiagramObjectCollection<Node> _nodes = new DiagramObjectCollection<Node>();
+    private DiagramObjectCollection<Connector> _connectors = new DiagramObjectCollection<Connector>();
+
+    protected override void OnInitialized()
+    {
+        Node node = new Node()
+        {
+            ID = "node1",
+            OffsetX = 300,
+            OffsetY = 200,
+            Width = 120,
+            Height = 60,
+            Style = new ShapeStyle() { Fill = "#6495ED", StrokeColor = "#6495ED" },
+            Shape = new BasicShape() { Type = NodeShapes.Basic, Shape = NodeBasicShapes.Rectangle },
+        };
+
+        _nodes.Add(node);
+    }
+
+    private async Task AddPortAndAnnotationAsync()
+    {
+        Node node = _diagram.Nodes[0];
+
+        await node.Ports.AddAsync(new PointPort()
+        {
+            ID = "port1",
+            Offset = new DiagramPoint() { X = 1, Y = 0.5 },
+            Visibility = PortVisibility.Visible,
+            Height = 10,
+            Width = 10,
+            Style = new ShapeStyle() { Fill = "#FFFFFF", StrokeColor = "#1F3A93" }
+        });
+
+        await node.Annotations.AddAsync(new ShapeAnnotation()
+        {
+            Content = "Node 1",
+            Offset = new DiagramPoint() { X = 0.5, Y = 0.5 }
+        });
+    }
+}
\ No newline at end of file
diff --git a/Diagram/Server/Pages/Methods/AddDiagramElements.razor b/Diagram/Server/Pages/Methods/AddDiagramElements.razor
index 0e70abff..4cf5e304 100644
--- a/Diagram/Server/Pages/Methods/AddDiagramElements.razor
+++ b/Diagram/Server/Pages/Methods/AddDiagramElements.razor
@@ -84,10 +84,44 @@
             // Type of the connector
             Type = ConnectorSegmentType.Straight,
         };
+
+        Swimlane swimlane = new Swimlane()
+        {
+            ID = "swimlane1",
+            OffsetX = 650,
+            OffsetY = 200,
+            Height = 150,
+            Width = 450,
+            Header = new SwimlaneHeader()
+            {
+                Annotation = new ShapeAnnotation() { Content = "Sales Process" },
+                Height = 50,
+            },
+            Lanes = new DiagramObjectCollection<Lane>()
+            {
+                new Lane()
+                {
+                    ID = "lane1",
+                    Height = 100,
+                    Header = new SwimlaneHeader()
+                    {
+                        Width = 30,
+                        Annotation = new ShapeAnnotation() { Content = "Consumer" }
+                    },
+                    Children = new DiagramObjectCollection<Node>()
+                    {
+                        new Node(){Height = 50, Width = 50, LaneOffsetX = 100, LaneOffsetY = 30},
+                        new Node(){Height = 50, Width = 50, LaneOffsetX = 250, LaneOffsetY = 30},
+                    }
+                }
+            }
+        };
+
         DiagramObjectCollection<NodeBase> nodeCollection = new DiagramObjectCollection<NodeBase>();
         nodeCollection.Add(node1);
         nodeCollection.Add(node2);
         nodeCollection.Add(Connector);
+        nodeCollection.Add(swimlane);
         await _diagram.AddDiagramElementsAsync(nodeCollection);
     }
 }
\ No newline at end of file