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DiagramNode Members
Constructors Fields Properties Methods
 


Represents a diagram node.

The following tables list the members exposed by the DiagramNode type.

 Protected Constructors

  Name Description

DiagramNode

Overloaded. Initializes a new instance of the DiagramNode class.

 Public Fields

  Name Description

BoundsProperty

Identifies the Bounds dependency property.

BrushProperty

Idendifies the Brush dependency property. (Inherited from DiagramItem.)

EffectsSourceProperty

Identifies the EffectsSource dependency property.

EnabledHandlesProperty

Identifies the EnabledHandles property.

FontFamilyProperty

Identifies the FontFamily dependency property. (Inherited from DiagramItem.)

FontSizeProperty

Identifies the FontSize dependency property. (Inherited from DiagramItem.)

FontStretchProperty

Identifies the FontStretch dependency property. (Inherited from DiagramItem.)

FontStyleProperty

Identifies the FontStyle dependency property. (Inherited from DiagramItem.)

FontWeightProperty

Identifies the FontWeight dependency property. (Inherited from DiagramItem.)

IdProperty

Identifies the Id dependency property. (Inherited from DiagramItem.)

RotationAngleProperty

Identifies the RotationAngle dependency property.

StrokeDashCapProperty

Identifies the StrokeDashCap dependency property. (Inherited from DiagramItem.)

StrokeDashStyleProperty

Identifies the StrokeDashStyle dependency property. (Inherited from DiagramItem.)

StrokeEndLineCapProperty

Identifies the StrokeEndLineCap dependency property. (Inherited from DiagramItem.)

StrokeLineJoinProperty

Identifies the StrokeLineJoin dependency property. (Inherited from DiagramItem.)

StrokeMiterLimitProperty

Identifies the StrokeMiterLimit dependency property. (Inherited from DiagramItem.)

StrokeProperty

Identifies the Stroke dependency property. (Inherited from DiagramItem.)

StrokeStartLineCapProperty

Identifies the StrokeStartLineCap dependency property. (Inherited from DiagramItem.)

StrokeThicknessProperty

Identifies the StrokeThickness dependency property. (Inherited from DiagramItem.)

TemplateProperty

Identifies the Template dependency property.

TextAlignmentProperty

Identifies the TextAlignment dependency property. (Inherited from DiagramItem.)

TextBrushProperty

Identifies the TextBrush dependency property. (Inherited from DiagramItem.)

TextDecorationsProperty

Identifies the TextDecorations dependency property. (Inherited from DiagramItem.)

TextPaddingProperty

Identifies the TextPadding dependency property. (Inherited from DiagramItem.)

TextProperty

Identifies the Text dependency property. (Inherited from DiagramItem.)

TextTrimmingProperty

Identifies the TextTrimming dependency property. (Inherited from DiagramItem.)

TextVerticalAlignmentProperty

Identifies the TextVerticalAlignment dependency property. (Inherited from DiagramItem.)

TextWrappingProperty

Identifies the TextWrapping dependency property. (Inherited from DiagramItem.)

TransformProperty

The Transform dependency property. (Inherited from DiagramItem.)

 Protected Fields

  Name Description

disposed

For internal use. (Inherited from DiagramItem.)

 Public Properties

  Name Description

Adorner

A Visual that contains the item's adjustment handles. (Inherited from DiagramItem.)

AllowIncomingLinks

Gets or sets a value indicating whether users are allowed to draw incoming links to this node.

AllowOutgoingLinks

Gets or sets a value indicating whether users are allowed to draw outgoing links from this node.

AnchorPattern

Gets or sets the anchor points to which links are attached when connected to the node.

Bounds

Gets or sets the rectangle that defines the position of the diagram node.

Brush

Gets or sets the brush used to fill the interior of this item. (Inherited from DiagramItem.)

ConstrainedHeight

Gets whether text layout area has limited height. (Inherited from DiagramItem.)

Constraints

Allows applying constraints to the location and size of the node.

Container

Gets the parent ContainerNode containing this node.

Effects

Gets a collection with all effects applied to this node.

EnabledHandles

Gets or sets the kinds of modifications that end-users are permitted to perform on the node.

Expandable

Gets or sets a value indicating whether users are allowed to expand or collapse the subtree that starts from this node.

Expanded

Gets or sets a value indicating whether the subtree starting from this node is expanded.

FontFamily

Gets or sets the preferred font family for this DiagramItem. (Inherited from DiagramItem.)

FontSize

Gets or sets the font size for this DiagramItem. (Inherited from DiagramItem.)

FontStretch

Gets or sets the font-stretching characteristics for this DiagramItem. (Inherited from DiagramItem.)

FontStyle

Gets or sets the font style for this DiagramItem. (Inherited from DiagramItem.)

FontWeight

Gets or sets the font weight for this DiagramItem. (Inherited from DiagramItem.)

GridAlignPoint

Gets or sets the node's point that should align to a grid point when the node is moved.

HandlesStyle

Gets or sets a value indicating how the node adjustment handles behave and what do they look like.

HyperLink

Gets or sets the hyperlink associated with this diagram item. (Inherited from DiagramItem.)

Id

Gets or sets user-defined identifier associated with this item. (Inherited from DiagramItem.)

IgnoreLayout

Gets or sets a value indicating whether the position of this item should not be changed by automatic layout methods. (Inherited from DiagramItem.)

IncomingLinks

Gets a collection of links that point to the node.

Labels

Returns the list of supplementary labels displayed by this node.

LayerIndex

Gets or sets the zero-based index of the layer this item is associated with, or -1, if the item is not associated with a layer. (Inherited from DiagramItem.)

LayoutTraits

Contains properties specific to each layout algorithm. (Inherited from DiagramItem.)

Locked

Gets or sets a value indicating whether users are allowed to edit the diagram item. (Inherited from DiagramItem.)

MasterGroup

Gets a reference to the group to which this node is attached.

MasterItem

Returns the node's Container or main item of MasterGroup.

Obstacle

Gets or sets a value indicating whether this node is considered an obstacle by the link-routing algorithm.

OutgoingLinks

Gets a collection of links that start from this node.

Parent

Gets the diagram that contains this item. (Inherited from DiagramItem.)

Printable

Gets or sets a value indicating whether to print the item. (Inherited from DiagramItem.)

RotationAngle

Gets or sets the rotation angle of this node.

RuntimeIndex

For internal use. (Inherited from DiagramItem.)

Selected

Gets or sets a value indicating whether a diagram item is selected. (Inherited from DiagramItem.)

Stroke

Gets or sets the Brush that specifies how the item outline is painted. (Inherited from DiagramItem.)

StrokeDashCap

Gets or sets a PenLineCap enumeration value that specifies how the ends of a dash are drawn. (Inherited from DiagramItem.)

StrokeDashStyle

Gets or sets the pattern of dashes and gaps used to outline items. (Inherited from DiagramItem.)

StrokeEndLineCap

Gets or sets a PenLineCap enumeration value that specifies what shape to draw at the end of a Stroke. (Inherited from DiagramItem.)

StrokeLineJoin

Gets or sets a PenLineJoin enumeration value that specifies the type of join that is used at the vertices of the item's outline. (Inherited from DiagramItem.)

StrokeMiterLimit

Gets or sets a limit on the ratio of the miter length to half the StrokeThickness of an item outline element. (Inherited from DiagramItem.)

StrokeStartLineCap

Gets or sets a PenLineCap enumeration value that specifies what shape to draw at the start of a Stroke. (Inherited from DiagramItem.)

StrokeThickness

Gets or sets the width of the DiagramItem stroke outline. (Inherited from DiagramItem.)

SubordinateGroup

Gets a reference to the group of items that are attached to this one. (Inherited from DiagramItem.)

Template

Gets or sets the DataTemplate used to display this node.

Text

Gets or sets the text displayed inside this item. (Inherited from DiagramItem.)

TextAlignment

Gets or sets a value that indicates the horizontal alignment of text content. (Inherited from DiagramItem.)

TextBrush

Gets or sets the brush used to draw the item's text. (Inherited from DiagramItem.)

TextDecorations

Gets or sets the effects to apply to the text of this DiagramItem. (Inherited from DiagramItem.)

TextPadding

Gets or sets the thickness of padding space between the item boundaries and its text. (Inherited from DiagramItem.)

TextTrimming

Gets or sets the text trimming to employ when text overflows the item area. (Inherited from DiagramItem.)

TextVerticalAlignment

Gets or sets a value that indicates the vertical alignment of text content. (Inherited from DiagramItem.)

TextWrapping

Gets or sets how this DiagramItem should wrap text. (Inherited from DiagramItem.)

TopLevel

DiagramItem.TopLevel override.

Transform

Gets or sets a transform that will be applied to the item's presenter. (Inherited from DiagramItem.)

UIElement

Gets the UIElement associated with this DiagramItem. (Inherited from DiagramItem.)

Visible

Gets or sets a value indicating whether this item is visible. (Inherited from DiagramItem.)

Weight

Gets or sets a weight value used in layout and path-finding algorithms. (Inherited from DiagramItem.)

ZIndex

Gets or sets the z-order position of this item. (Inherited from DiagramItem.)

 Protected Properties

  Name Description

LogicalChildren

FrameworkElement.LogicalChildren override.

MeasureUnit

Returns the diagram measure unit. (Inherited from DiagramItem.)

Size

Gets the size of this item. (Inherited from DiagramItem.)

VisualChildrenCount

FrameworkElement.VisualChildrenCount override.

 Public Methods

  Name Description

AcceptLinks

Determines whether the node can be connected with links of the specified type.

AddLabel

Overloaded.  

AttachTo

Overloaded. Attaches this node to another diagram item.

ClearStyleableProperties

Clears the local values of all styleable appearance properties. (Inherited from DiagramItem.)

Clone

Creates a copy of this item. (Inherited from DiagramItem.)

Collapse

Hides all nodes and links in the subtree starting from this node.

ContainsPoint

Overloaded.  

Detach

Detaches this node from its master item.

Dispose

Overloaded.   (Inherited from DiagramItem.)

Draw

DiagramItem.Draw override.

DrawAnchorPoints

Draws the anchor points of this node.

DrawHandles

DiagramItem.DrawHandles override.

DrawLocal

Draws this node on the specified DrawingContext graphics surface.

Expand

Shows all nodes and links in the subtree starting from this node.

GetAllIncomingLinks

Overloaded.  

GetAllLinks

Gets all links connected to this node.

GetAllOutgoingLinks

Overloaded.  

GetBounds

Gets the bounding rectangle of this item.

GetCenter

Gets the center of this node's bounding rectangle.

GetIntersection

Calculates the intersecion point between the segment defined by the specified point pair and the node's outline.

GetNearestBorderPoint

Returns a point that lies on the outline of this node, at the shortest distance from the specified point.

GetRegion

DiagramItem.GetRegion override.

GetRepaintRect

DiagramItem.GetRepaintRect override.

GetRotatedBounds

Overloaded.  

GetRotationAngle

Gets the rotation angle of this node.

GetToolTip

DiagramItem.GetToolTip override.

HitTest

Returns the diagram item that contains the specified point. (Inherited from DiagramItem.)

HitTestHandle

DiagramItem.HitTestHandle override.

HitTestManipulators

DiagramItem.HitTestManipulators override.

Intersects

DiagramItem.Intersects override. Checks whether the specified rectangle intersects with this node.

LabelFromPoint

Returns the label whose layout rectangle contains the specified point.

Move

Moves the node to the specified location.

NotInteractive

Gets whether the user is prevented from manipulating this item. (Inherited from DiagramItem.)

NowModifying

Gets a flag indicating whether this object is being currently modified interactively by the user. (Inherited from DiagramItem.)

OnDragOut

Invoked when a diagram item is being dragged out of this node.

OnDragOver

Invoked when a diagram item is being dragged over this node.

OnDropOver

Invoked when a diagram item is dropped over this node.

Query

Returns the items that can be reached from this item by following the path specified in the given query expression. (Inherited from DiagramItem.)

ReassignAnchorPoints

Reassigns links to anchor points so that they are evenly disctributed.

ReassignUnanchoredLinks

Reassigns unanchored links

RemoveLabel

Removes the specified label from this node.

Repaint

DiagramItem.Repaint override.

Resize

Resizes the node.

SetBounds

Sets the location and size of this node.

SetExpandedFlag

Sets the 'expanded' flag, repainting the node.

SetRect

This method is used internally by the Ruler control to align nodes.

TransformDiagramToItem

Transforms a point from document coordinates to item coordinates. (Inherited from DiagramItem.)

TransformItemToDiagram

Transforms point from item-relative coordinates to document coordinates. (Inherited from DiagramItem.)

UpdateAnimation

Invoked by running animations to update an item according to current animation progress.

ZBottom

Moves the item to the bottom of the z-order. (Inherited from DiagramItem.)

ZLevelDown

Moves the item one level down in the z-order. (Inherited from DiagramItem.)

ZLevelUp

Moves the item one level up in the z-order. (Inherited from DiagramItem.)

ZTop

Moves the item to the top of the z-order. (Inherited from DiagramItem.)

 Protected Methods

  Name Description

AddToVisualContainer

Adds this item to specified container element. (Inherited from DiagramItem.)

AllowCreate

DiagramItem.AllowCreate override.

AllowModify

DiagramItem.AllowModify override.

ArrangeOverride

FrameworkElement.ArrangeOverride override.

CompleteCreate

DiagramItem.CompleteCreate override.

CompleteModify

Overloaded.  

ConstraintsInfringed

Check whether the KeepInsideParent constrained is being violated.

CreateConnectionPoint

Creates a connection point between this node and the specified link at the specified point.

CreateProperties

Creates an item property set corresponding to the type of this diagram item. (Inherited from DiagramItem.)

CreateRenderer

DiagramItem.CreateRenderer override.

CreateState

DiagramItem.CreateState override.

DrawManipulators

Draws the associated manipulators in the specified context. (Inherited from DiagramItem.)

EnumStyleableProperties

DiagramItem.EnumStyleableProperties override.

FreeResources

Called when the item is completely disassociated from a Diagram, that is, when it is no longer referenced from an item collection or the undo/redo history. (Inherited from DiagramItem.)

GetDefaultTemplate

Returns a DataTemplate that should be used to render the node if its own Template property is not set.

GetHeight

Gets the height of this item. (Inherited from DiagramItem.)

GetLocalBounds

Gets this node's bounding rectangle in local coordinates.

GetTextRect

Subtracts the TextPadding values from the specified rectangle. (Inherited from DiagramItem.)

GetVisualChild

FrameworkElement.GetVisualChild override.

GetWidth

Gets the width of this item. (Inherited from DiagramItem.)

GetX

Gets the x-coordinate of the current position of this item. (Inherited from DiagramItem.)

GetY

Gets the y-coordinate of the current position of this item. (Inherited from DiagramItem.)

GroupContains

Determines whether this node is a predecessor of the specified node in the group hierarchy.

LoadFromJson

Loads the node from a JSON object.

LoadFromXml

DiagramItem.LoadFromXml override.

MeasureOverride

FrameworkElement.MeasureOverride override.

OnAdd

Called when this node is added to the Diagram.

OnAppearanceChanged

Invoked when any of the item's appearance properties changes. (Inherited from DiagramItem.)

OnChildModified

Called when a child node has been modified. (Inherited from DiagramItem.)

OnChildModifying

Called when a child node is being modified. (Inherited from DiagramItem.)

OnLoad

Called after the item is deserialized.

OnMeasureUnitChanged

Called when the diagram's MeasureUnit changes. (Inherited from DiagramItem.)

OnMouseDown

UIElement.OnMouseDown override. (Inherited from DiagramItem.)

OnMouseUp

UIElement.OnMouseUp override. (Inherited from DiagramItem.)

OnPositioningChanged

Called when the item's position changes. (Inherited from DiagramItem.)

OnPreviewMouseDown

UIElement.OnPreviewMouseWheel override. (Inherited from DiagramItem.)

OnPreviewMouseUp

UIElement.OnPreviewMouseUp override. (Inherited from DiagramItem.)

OnRemove

DiagramItem.OnRemove override.

OnRender

UIElement.OnRender override. (Inherited from DiagramItem.)

OnSerializablePropertyChanged

Invoked when a FrameworkElement property serializable by DiagramItem changes. (Inherited from DiagramItem.)

OnSizeChanged

Called when the size of the node changes.

OnStrokeAttributeChanged

Invoked when any of the item's stroke attributes changes. (Inherited from DiagramItem.)

OnTextAttributeChanged

Invoked when any of the attributes defined in ITextAttributes changes. (Inherited from DiagramItem.)

OnUpdateBounds

Invoked when the bounding rectangle of the node has changed.

OnZoomChanged

Called when the ZoomFactor changes. (Inherited from DiagramItem.)

RestoreProperties

DiagramItem.RestoreProperties override.

RestoreState

DiagramItem.RestoreState override.

SaveProperties

DiagramItem.SaveProperties override.

SaveState

DiagramItem.SaveState override.

SaveToJson

Saves the node as a JSON object.

SaveToXml

DiagramItem.SaveToXml override.

ScaleElements

Scales the node's elements by specified amount.

SetDiagramDirty

Marks the diagram as changed. (Inherited from DiagramItem.)

SetExpandable

Internally sets the expandable state of this object to the specified value, adding or removing an Expander manipulator object if necessary.

SetExpanded

DiagramItem.SetExpanded override.

SetIncomingLinks

Sets the incoming links collection of this node.

SetOutgoingLinks

Sets the outgoing links collection of this node.

SetReflexive

Invoked to let a node set the shape of a reflexive link connected to it.

ShouldRender

Determines whether the item should be rendered in the current context. (Inherited from DiagramItem.)

ShouldRenderAnchorPoints

Determines whether the node should render its anchor points.

StartCreate

DiagramItem.StartCreate override.

StartModify

DiagramItem.StartModify override.

UpdateCreate

DiagramItem.UpdateCreate override.

UpdateGroup

Called to update the positions of subordinate nodes attached to this item when the attachment style is set to ControlledByMaster. (Inherited from DiagramItem.)

UpdateLinkIntersections

Updates the intersection points of links, conntected to this node and its outline, usually in response to change in the node's shape.

UpdateLinkPositions

Updates the end points of the links, connected to this node, usually in response to change in the node's size or shape.

UpdateModify

DiagramItem.UpdateModify override.

 See Also