Code

<Window x:Class="Diagraming.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Diagraming"
        xmlns:diagram="http://mindfusion.eu/diagramming/wpf"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <Button Content="Export to PDF" Grid.Row="0" Click="ExportToPdf_Click"></Button>
        <diagram:DiagramView x:Name="diagram" Grid.Row="1">
            <diagram:DiagramView.Resources>
                <Style TargetType="{x:Type diagram:ShapeNode}">
                    <Setter Property="Template">
                        <Setter.Value>
                            <DataTemplate>
                                <Label Background="Yellow" Content="{Binding Text, RelativeSource={RelativeSource FindAncestor, AncestorType=Window}}"></Label>
                            </DataTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </diagram:DiagramView.Resources>
        </diagram:DiagramView>
    </Grid>
</Window>
 

Code (C++)

namespace Diagraming
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window, INotifyPropertyChanged
    {
        [field: NonSerialized]
        public event PropertyChangedEventHandler PropertyChanged;

        public void NotifyPropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }

        public Diagram diag { get; set; }

        private string text;
        public String Text
        {
            get
            {
                return text;
            }
            set
            {
                text = value;
                NotifyPropertyChanged("Text");
            }
        }
        public MainWindow()
        {
            InitializeComponent();
            this.DataContext = this;
            Text = "Test";

            diag = new Diagram();
            diag.Nodes.Add(new ShapeNode()
            {
                Shape = new Shape(new ElementTemplate[]
                        {
                            new LineTemplate(0, 0, 100, 0),
                            new LineTemplate(100, 0, 100, 100),
                            new LineTemplate(100, 100, 0, 100),
                        }, FillRule.EvenOdd),
            });

            diag.Nodes.Last().Move(50, 25);

            diagram.Diagram = diag;
        }


        private void ExportToPdf_Click(object sender, RoutedEventArgs e)
        {
            var exporter = new PdfExporter();

            //foreach (var diag in diagrams)
                exporter.Export(diag, @"D:\temp\diagram.pdf");
        }
    }
}
 

Code

                <Style TargetType="{x:Type diagram:ShapeNode}">
                    <Setter Property="Template">
                        <Setter.Value>
                            <DataTemplate>
                                <TextBlock Text="&#x16C;&#x117;" Background="Yellow" FontFamily="Arial"/>
                            </DataTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
 

Code

<TextBlock Text="&#x15B;&#x107;" Background="AliceBlue"  FontFamily="Arial"/>