Example of UML Activity Diagram in Blazor Diagram Component

This sample illustrates message flow between activities in a customer-service scenario using UML activity shapes composed as custom Path nodes. It demonstrates how to represent activity behavior, transitions, and interaction sequences using the diagram's Path shape capabilities and bespoke node geometry to improve visual clarity and semantic mapping.

UML activity features included in the sample:

• Create UML activity shapes using diagram Path shapes to express custom geometry and styling.
• Assign the node Type property for Path nodes to enable shape-specific behavior and rendering.
• Define precise activity geometry with the Data property to control contours, connection points, and hit-testing.

Implementation notes: map each activity and message transition to nodes and connectors, keep Path geometries concise for readable connectors, and use explicit connection points to ensure predictable routing. Preserve ARIA attributes and semantic structure when embedding custom HTML or tooltips to maintain accessibility.

Best practices: validate diagrams with representative datasets, test keyboard navigation and screen readers, and adjust node geometry iteratively to balance expressiveness with legibility across canvas sizes and zoom levels.

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