Generating Diagrams from a Data Source

DiagramDataBindingController.DataSource

(via DiagramDataBindingControllerBase.DataSource)

Specifies the path to a collection of diagram items.

DiagramDataBindingController.ConnectorsSource

Specifies the path to a collection of objects that represent connectors.

DiagramDataBindingController.ConnectorFromMember

Specifies the name of the data field that identifies the item to use as a connector's start item.

DiagramDataBindingController.ConnectorToMember

Specifies the name of the data field that identifies the item to use as a connector's end item.

public class ViewModel {
    public List<Item> Items { get; set; }
    public List<Link> Connections { get; set; }
    public ViewModel() {
        Items = new List<Item>();
        for (int i = 0; i < 5; i++)
            Items.Add(new Item { Id = i, Name = "Item " + i });
        Connections = new List<Link>();
        for (int i = 0; i < 4; i++)
            Connections.Add(new Link { From = Items[i].Id, To = Items[i + 1].Id });
        Connections.Add(new Link { From = Items[4].Id, To = Items[0].Id });
    }
}
public class Item {
    public int Id { get; set; }
    public string Name { get; set; }
}

public class Link {
    public object From { get; set; }
    public object To { get; set; }
}

 Public Class ViewModel
    Public Property Items() As List(Of Item)
    Public Property Connections() As List(Of Link)
    Public Sub New()
        Items = New List(Of Item)()
        For i As Integer = 0 To 4
            Items.Add(New Item With {
                .Id = i,
                .Name = "Item " & i
            })
        Next i
        Connections = New List(Of Link)()
        For i As Integer = 0 To 3
            Connections.Add(New Link With {
                .From = Items(i).Id,
                .To = Items(i + 1).Id
            })
        Next i
        Connections.Add(New Link With {
            .From = Items(4).Id,
            .To = Items(0).Id
        })
    End Sub 
End Class 
Public Class Item
    Public Property Id() As Integer 
    Public Property Name() As String 
End Class 

Public Class Link
    Public Property From() As Object 
    Public Property [To]() As Object 
End Class 

 public Form1() {
    InitializeComponent();
    ViewModel viewModel = new ViewModel();
    diagramDataBindingController1.GenerateItem += DiagramDataBindingController1_GenerateItem;
    diagramDataBindingController1.DataSource = viewModel.Items;
    diagramDataBindingController1.KeyMember = "Id";
    diagramDataBindingController1.ConnectorsSource = viewModel.Connections;
    diagramDataBindingController1.ConnectorFromMember = "From";
    diagramDataBindingController1.ConnectorToMember = "To";
    diagramDataBindingController1.LayoutKind = DiagramLayoutKind.Circular;
}
private void DiagramDataBindingController1_GenerateItem(object sender, DiagramGenerateItemEventArgs e) {
    var item = new DiagramShape {
        X = 27,
        Width = 75,
        Height = 50,
        Shape = BasicShapes.Rectangle
    };
    item.Bindings.Add(new DiagramBinding("Content", "Name"));
    e.Item = item;
}

Public Sub New()
    InitializeComponent()
    Dim viewModel As New ViewModel()
    AddHandler diagramDataBindingController1.GenerateItem, AddressOf DiagramDataBindingController1_GenerateItem
    diagramDataBindingController1.DataSource = viewModel.Items
    diagramDataBindingController1.KeyMember = "Id" 
    diagramDataBindingController1.ConnectorsSource = viewModel.Connections
    diagramDataBindingController1.ConnectorFromMember = "From" 
    diagramDataBindingController1.ConnectorToMember = "To" 
    diagramDataBindingController1.LayoutKind = DiagramLayoutKind.Circular
End Sub 
Private Sub DiagramDataBindingController1_GenerateItem(ByVal sender As Object, ByVal e As DiagramGenerateItemEventArgs)
    Dim item = New DiagramShape With {
        .X = 27,
        .Width = 75,
        .Height = 50,
        .Shape = BasicShapes.Rectangle
    }
    item.Bindings.Add(New DiagramBinding("Content", "Name"))
    e.Item = item
End Sub