We have released version 3.4.2 of WPF Diagram control. It contains the following new features and improvements:

Fluent API
Extension methods in MindFusion.Diagramming.Fluent and MindFusion.Diagramming.Layout.Fluent namespaces add support for fluent programming style:

[code]
using MindFusion.Diagramming.Wpf.Fluent;
using MindFusion.Diagramming.Wpf.Layout.Fluent;
//...

diagram.Factory
    .CreateShapeNode(20, 20, 60, 40)
        .Brush(Colors.LightGray)
        .Font("Arial", 12)
        .EnableStyledText(true)
        .Text("Task <i>1</i>")
        .ToolTip("This is the task")
        .TextRotationAngle(15);

new TreeLayout()
    .LevelDistance(20)
    .NodeDistance(20)
    .LinkStyle(TreeLayoutLinkType.Cascading3)
    .Arrange(diagram);[/code]

DiagramLink improvements

• The component no longer keeps a separate segmentCount field, removing a common source of errors. The SegmentCount property now calculates its value from ControlPoints elements. The UpdateFromPoints(updateGroups, updateSegments) overload has been removed too.
  
• SegmentCount setter no longer refuses changing number of segments if auto-routing is enabled or the link is a self-loop.
  
• The new Spline element of LinkShape enumeration draws links as interpolating splines that pass through all of their control points:
  http://mindfusion.eu/_samples/spline_links.png
  

Miscellaneous

• The RotationStep property of Diagram class specifies the increments applied to a node's RotationAngle during interactive rotation.
  
• The Bounds property of DiagramNode now supports binding.
  
• GridRouter evaluates routes between more remote sides of connected nodes when RoutingOptions.EvaluateFarPoints is enabled.
  
• Fix for magnifier offset when origin of Diagram.Bounds is non-zero.
  
• A new SpringLayout.Iterate overload can be run from a worker thread.
  

Installer for the latest version can be downloaded here, or from the clients area on our site:
https://mindfusion.eu/WpfDiagTrial.zip

Updated assemblies are also available as MindFusion.Diagramming.Wpf NuGet package.

Enjoy!