DiagramLayout

DiagramLayout

public DiagramLayout()

diagramLayout = DiagramLayout()

Create a DiagramLayout that is invalidated only under the Standard conditions.

DiagramLayout

protected DiagramLayout(DiagramLayout layout)

diagramLayout = DiagramLayout(layout)

Help making a copy of a DiagramLayout.

layout

ArrangementOrigin

public Point ArrangementOrigin { get; set; }

value = diagramLayout.ArrangementOrigin
diagramLayout.ArrangementOrigin = value

Gets or sets the point of the top-left node.

Conditions

public LayoutChange Conditions { get; set; }

value = diagramLayout.Conditions
diagramLayout.Conditions = value

Gets or sets the LayoutChange conditions for which Part) will set ValidLayout to false.

Diagram

public Diagram Diagram { get; set; }

value = diagramLayout.Diagram
diagramLayout.Diagram = value

Gets or sets a reference to the owner Diagram.

Group

public Group Group { get; set; }

value = diagramLayout.Group
diagramLayout.Group = value

Gets or sets a reference to the owner Group, if any.

Id

public string Id { get; set; }

value = diagramLayout.Id
diagramLayout.Id = value

Gets or sets an identifier for a particular layout.

ValidLayout

public bool ValidLayout { get; set; }

value = diagramLayout.ValidLayout
diagramLayout.ValidLayout = value

Gets or sets whether this layout is valid; if not, the LayoutManager will call Link}) sometime in order to make sure the layout is valid.

CanLayoutPart

public virtual bool CanLayoutPart(Part part)

result = diagramLayout.CanLayoutPart(part)

Decide whether a given Part should participate in this layout.

part

Returns: Typically this should return false if the part is not visible, if the part is in a temporary Layer, or if the part's LayoutId is "None". This should return true if the part's LayoutId is "All" or if it matches the Id of this layout.

DoLayout

public virtual void DoLayout(IEnumerable<Node> nodes, IEnumerable<Link> links)

diagramLayout.DoLayout(nodes, links)

Position all nodes that do not have an assigned Location in the manner of a simple rectangular array.

nodes

links

Invalidate

public virtual void Invalidate(LayoutChange reason, Part part)

diagramLayout.Invalidate(reason, part)

Declare that this layout might no longer be valid, depending on the change and the Conditions.

reason

A LayoutChange hint describing what change may have made the layout invalid. If the value is All, ValidLayout will be set to false unconditionally.

part

the Part that has changed

InvalidateLayout

public void InvalidateLayout()

diagramLayout.InvalidateLayout()

Set the ValidLayout property to false, and ask the diagram's LayoutManager to perform layouts in the near future.

ArrangementOriginProperty

public static readonly DependencyProperty ArrangementOriginProperty

value = DiagramLayout.ArrangementOriginProperty

Identifies the ArrangementOrigin dependency property.

IdProperty

public static readonly DependencyProperty IdProperty

value = DiagramLayout.IdProperty

Identifies the Id dependency property.