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Normal Topic Diagramming for WPF, V3.8.2 (Read 2021 times)
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Diagramming for WPF, V3.8.2
Jul 22nd, 2022 at 7:20am
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We have released version 3.8.2 of WPF Diagram control. It contains the following new features and improvements:

Multiple labels per node
The NodeLabel class allows multiple captions to be displayed for a single DiagramNode of any type. Node labels provide a set of properties allowing full customization of their display and positioning. Label position is defined by specifying a pin point and offset from it, set through SetCornerPosition, SetEdgePosition, SetCenterPosition methods. In addition, the TextAlignment and TextVerticalAlignment properties of NodeLabel specify on which side of pin point to draw the label's caption.

For example, following code adds extra labels to top-left and bottom-right corners of a ShapeNode:

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var node = diagram.Factory.CreateShapeNode(30, 70, 80, 60);
node.Text = "text"; // centered main text

var lb1 = node.AddLabel("label 1");
lb1.SetCornerPosition(0, 0, 0);
lb1.TextAlignment = TextAlignment.Left;
lb1.TextVerticalAlignment = AlignmentY.Top;
lb1.Brush = Brushes.Red;
lb1.TextBrush = Brushes.White;
lb1.Margin = new Thickness(4);
lb1.TextPadding = new Thickness(0);

var lb2 = node.AddLabel("label 2");
lb2.SetCornerPosition(2, 0, 0);
lb2.TextAlignment = TextAlignment.Right;
lb2.TextVerticalAlignment = AlignmentY.Bottom;
lb2.Brush = Brushes.Yellow;
lb2.TextBrush = Brushes.Red; 

Export improvements
  • New Export overloads of exporter classes allow writing to System.IO.Stream.
  • ExcelExporter exports pen width of links.
  • ExcelExporter sets more precise positions of link end points.

  • The MoveLabels behavior lets user move link and node labels interactively.
  • HorizontalOffset and VerticalOffset now work for link labels positioned using SetLinkLengthPosition method.

Installer for the latest version can be downloaded here, or from the clients area on our site:

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

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