Class Node

Abstract class that implement base methods that used to transform and visualize diagram objects. Implement moving, rotating, scaling, hittesting and serialization.

Inheritance

System.Object

Node

BitmapNode

ControlNode

Group

MetafileNode

PathNode

RichTextNode

Shape

Symbol

TextNode

Implements

IUnitIndependent

IDispatchNodeEvents

System.Runtime.Serialization.ISerializable

INode

System.ICloneable

IServiceReferenceHolder

IServiceReferenceProvider

IPropertyObserver

IPropertyContainer

System.IServiceProvider

IGraphNode

System.Runtime.Serialization.IDeserializationCallback

System.IDisposable

Inherited Members

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: Syncfusion.Windows.Forms.Diagram

Assembly: Syncfusion.Diagram.Base.dll

Syntax

public abstract class Node : IUnitIndependent, IDispatchNodeEvents, ISerializable, INode, ICloneable, IServiceReferenceHolder, IServiceReferenceProvider, IPropertyObserver, IPropertyContainer, IServiceProvider, IGraphNode, IDeserializationCallback, IDisposable

Remarks

This is a basic object on the diagram that can represent connectors, images, text box, controls and other simple shapes.

Constructors

Node()

Initializes a new instance of the Node class.

Declaration

public Node()

Node(Node)

Initializes a new instance of the Node class.

Declaration

public Node(Node src)

Parameters

Type	Name	Description
Node	src	The SRC.

Node(SerializationInfo, StreamingContext)

Initializes a new instance of the Node class.

Declaration

protected Node(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
System.Runtime.Serialization.SerializationInfo	info	The info.
System.Runtime.Serialization.StreamingContext	context	The context.

Fields

m_bLockUpdate

Lock updates.

Declaration

protected bool m_bLockUpdate

Field Value

Type	Description
System.Boolean

m_bPortUpdating

Indicate whether node updating self ports connections.

Declaration

protected bool m_bPortUpdating

Field Value

Type	Description
System.Boolean

m_eventSink

DocumentEventSink reference.

Declaration

protected DocumentEventSink m_eventSink

Field Value

Type	Description
DocumentEventSink

m_fRotationAngle

Node's rotation angle.

Declaration

protected float m_fRotationAngle

Field Value

Type	Description
System.Single

m_mgrBridge

Bridge Manager reference.

Declaration

protected BridgeManager m_mgrBridge

Field Value

Type	Description
BridgeManager

m_mgrHistory

History manager reference.

Declaration

protected HistoryManager m_mgrHistory

Field Value

Type	Description
HistoryManager

m_mgrLink

Link Manager reference.

Declaration

protected LinkManager m_mgrLink

Field Value

Type	Description
LinkManager

m_rectRefresh

Cached node's refresh rectangle.

Declaration

protected RectangleF m_rectRefresh

Field Value

Type	Description
System.Drawing.RectangleF

Remarks

Defines node's refresh rectangle used during rendering. Differs from BoundingRectangle as it includes additional data such as labels, ports, connector bridges etc.

m_rgnCache

Region used for HitTesting.

Declaration

protected Region[] m_rgnCache

Field Value

Type	Description
System.Drawing.Region[]

Remarks

Internal usage only.

Properties

AllowLabelDrag

Enable/Disable to Drag the labels in Node

Declaration

public bool AllowLabelDrag { get; set; }

Property Value

Type	Description
System.Boolean

BoundingRect

Gets or sets node's bounding rectangle.

Declaration

protected RectangleF BoundingRect { get; set; }

Property Value

Type	Description
System.Drawing.RectangleF

BoundingRectangle

Gets the shape's bounding box.

Declaration

public RectangleF BoundingRectangle { get; }

Property Value

Type	Description
System.Drawing.RectangleF

BoundsInfo

Gets the reference to bounds info.

Declaration

public BoundsInfo BoundsInfo { get; }

Property Value

Type	Description
BoundsInfo	The bounds info.

CentralPort

Gets the center port from port collection.

Declaration

public CentralPort CentralPort { get; }

Property Value

Type	Description
CentralPort	The center port.

Container

Gets or sets node's container node

Declaration

public Node Container { get; set; }

Property Value

Type	Description
Node

DrawPorts

Gets or sets a value indicating whether node will draw it ports.

Declaration

public virtual bool DrawPorts { get; set; }

Property Value

Type	Description
System.Boolean	true if n node will draw it ports; otherwise, false.

Edges

Gets collection of all edges entering or leaving the node.

Declaration

public ICollection Edges { get; }

Property Value

Type	Description
System.Collections.ICollection

EdgesEntering

Gets collection of edges entering the node.

Declaration

public ICollection EdgesEntering { get; }

Property Value

Type	Description
System.Collections.ICollection

EdgesLeaving

Gets collection of edges leaving the node.

Declaration

public ICollection EdgesLeaving { get; }

Property Value

Type	Description
System.Collections.ICollection

EditStyle

Gets edit properties for this node.

Declaration

public EditStyle EditStyle { get; }

Property Value

Type	Description
EditStyle

Remarks

Edit properties determine how this node can be edited. EditStyle

EnableCentralPort

Gets or sets a value indicating whether central port is enabled.

Declaration

public bool EnableCentralPort { get; set; }

Property Value

Type	Description
System.Boolean	true if central port is enabled; otherwise, false.

EventSink

Gets the reference to model event sink.

Declaration

protected DocumentEventSink EventSink { get; }

Property Value

Type	Description
DocumentEventSink	The event sink.

ExcludeFromLayout

Gets or sets a value indicating whether the node can be excluded from layout or not.

Declaration

public bool ExcludeFromLayout { get; set; }

Property Value

Type	Description
System.Boolean

FlipX

Gets or sets a value indicating whether flip X is enabled.

Declaration

public virtual bool FlipX { get; set; }

Property Value

Type	Description
System.Boolean	true if node vertical flipped ; otherwise, false.

FlipY

Gets or sets a value indicating whether flip Y is enabled.

Declaration

public virtual bool FlipY { get; set; }

Property Value

Type	Description
System.Boolean	true if node horizontal flipped; otherwise, false.

FullContainerName

Gets the full name of the container.

Declaration

public string FullContainerName { get; }

Property Value

Type	Description
System.String	The full name of the container.

FullName

Gets fully qualified name of the node.

Declaration

public string FullName { get; }

Property Value

Type	Description
System.String

Remarks

The full name is the name of the node concatenated with the names of all parent nodes.

GraphicsPath

Gets cloned node GraphicsPath with appended scale transformations.

Declaration

public GraphicsPath GraphicsPath { get; }

Property Value

Type	Description
System.Drawing.Drawing2D.GraphicsPath	The graphics path.

HistoryManager

Gets the children to model history manager.

Declaration

protected HistoryManager HistoryManager { get; }

Property Value

Type	Description
HistoryManager	The history manager.

InheritContainerMeasureUnits

Gets or sets a value indicating whether container measure units can be inherited.

Declaration

public bool InheritContainerMeasureUnits { get; set; }

Property Value

Type	Description
System.Boolean	true if inherit container measure units; otherwise, false.

IsExpanded

Gets or Sets the selected node as expand or collapse.

Declaration

public bool IsExpanded { get; set; }

Property Value

Type	Description
System.Boolean

Layers

Gets the layers the shape belongs to.

Declaration

public LayerCollection Layers { get; }

Property Value

Type	Description
LayerCollection

LineHitTestPadding

Gets or sets the line hit test padding.

Declaration

public float LineHitTestPadding { get; set; }

Property Value

Type	Description
System.Single	The line hit test padding.

LineStyle

Gets line drawing properties for this node.

Declaration

public LineStyle LineStyle { get; }

Property Value

Type	Description
LineStyle

Remarks

Gets the line style determines the configuration of the pen used to render lines. LineStyle

LogicalGraphicsPath

Gets node graphics path without scale transformation.

Declaration

protected virtual GraphicsPath LogicalGraphicsPath { get; }

Property Value

Type	Description
System.Drawing.Drawing2D.GraphicsPath	The logical graphics path.

MeasurementUnit

Gets or sets the measurement unit.

Declaration

public MeasureUnits MeasurementUnit { get; set; }

Property Value

Type	Description
MeasureUnits	The measurement unit.

Name

Gets or sets node's name.

Declaration

public string Name { get; set; }

Property Value

Type	Description
System.String

NodeScale

Gets or sets the node scale.

Declaration

public PageScale NodeScale { get; set; }

Property Value

Type	Description
PageScale	The node scale.

Parent

Gets or sets node's parent.

Declaration

public ICompositeNode Parent { get; set; }

Property Value

Type	Description
ICompositeNode

PinPoint

Gets or sets the node pin point position.

Declaration

public PointF PinPoint { get; set; }

Property Value

Type	Description
System.Drawing.PointF	The pin point.

PinPointOffset

Gets or sets the node pin point offset.

Declaration

public SizeF PinPointOffset { get; set; }

Property Value

Type	Description
System.Drawing.SizeF	The pin point offset.

Ports

Gets the node port collection.

Declaration

public ConnectionPointCollection Ports { get; }

Property Value

Type	Description
ConnectionPointCollection	The ports.

PrintPorts

Gets or sets a value indicating whether node will draw it ports while printing.

Declaration

public bool PrintPorts { get; set; }

Property Value

Type	Description
System.Boolean	true if [print ports]; otherwise, false.

PropertyBag

Gets or sets the dynamic property data dictionary.

Declaration

public Dictionary<string, object> PropertyBag { get; }

Property Value

Type	Description
System.Collections.Generic.Dictionary<System.String, System.Object>

RefreshRect

Gets node's refresh rectangle.

Declaration

public RectangleF RefreshRect { get; }

Property Value

Type	Description
System.Drawing.RectangleF

Root

Gets the root node in the node hierarchy.

Declaration

public Model Root { get; }

Property Value

Type	Description
Model

Remarks

The root node is found by following the chain of parent nodes until a node is found that has a NULL parent.

RotationAngle

Gets or sets the rotation angle.

Declaration

public virtual float RotationAngle { get; set; }

Property Value

Type	Description
System.Single	The rotation angle in range [ -180; 180 ].

Remarks

Rotation angle saved in rotation range [ -180; 180 ] But on set this property new rotation angle must be in range [ 0; 360 ]

ShadowStyle

Gets properties of the shadow applied to the shape.

Declaration

public ShadowStyle ShadowStyle { get; }

Property Value

Type	Description
ShadowStyle

Size

Gets or sets size of the node.

Declaration

public SizeF Size { get; set; }

Property Value

Type	Description
System.Drawing.SizeF

Tag

Gets or sets Custom data associated with Node.

Declaration

public object Tag { get; set; }

Property Value

Type	Description
System.Object

ToolTipText

Gets or sets the tooltip text associated with the node.

Declaration

public string ToolTipText { get; set; }

Property Value

Type	Description
System.String

TreatAsObstacle

Gets or sets a value indicating whether node treat as obstacle.

Declaration

public bool TreatAsObstacle { get; set; }

Property Value

Type	Description
System.Boolean	true if need node treat as obstacle; otherwise, false.

Visible

Gets or sets a value indicating whether node is visible.

Declaration

public virtual bool Visible { get; set; }

Property Value

Type	Description
System.Boolean

Remarks

This flag can be changed to True only if one of its owner layer are visible.

ZOrder

Gets or sets node's ZOrder.

Declaration

public int ZOrder { get; set; }

Property Value

Type	Description
System.Int32

Methods

AccumulateRefreshRect(ref RectangleF)

Accumulates the refresh rect.

Declaration

protected virtual void AccumulateRefreshRect(ref RectangleF rcRefresh)

Parameters

Type	Name	Description
System.Drawing.RectangleF	rcRefresh	The rc refresh.

AppendFlipTransforms(Matrix)

Appends filp transformation to given matrix

Declaration

public void AppendFlipTransforms(Matrix matrix)

Parameters

Type	Name	Description
System.Drawing.Drawing2D.Matrix	matrix	The matrix.

AppendFlipTransforms(Matrix, PointF, Boolean, Boolean)

Appends the flip transforms.

Declaration

protected void AppendFlipTransforms(Matrix matrix, PointF ptPinPoint, bool bFlipX, bool bFlipY)

Parameters

Type	Name	Description
System.Drawing.Drawing2D.Matrix	matrix	The matrix.
System.Drawing.PointF	ptPinPoint	Node's pin point.
System.Boolean	bFlipX	if set to true flip X will flipped vertical.
System.Boolean	bFlipY	if set to true flip Y will flipped horizontal.

AppendLocalFlipTransforms(Matrix)

Appends filp transformation to given matrix

Declaration

public void AppendLocalFlipTransforms(Matrix matrix)

Parameters

Type	Name	Description
System.Drawing.Drawing2D.Matrix	matrix	The matrix.

CanUpdateConnections(EndPoint)

Determines whether this EndPoint can update connections the specified end point.

Declaration

protected bool CanUpdateConnections(EndPoint endPoint)

Parameters

Type	Name	Description
EndPoint	endPoint	The end point.

Returns

Type	Description
System.Boolean	true if this EndPoint can update connections the specified end point; otherwise, false.

CanWiden(GraphicsPath)

Determine whether can widen the specified graphics path.

Declaration

protected bool CanWiden(GraphicsPath path)

Parameters

Type	Name	Description
System.Drawing.Drawing2D.GraphicsPath	path	The graphics path.

Returns

Type	Description
System.Boolean	true if can widen the specified graphics path; otherwise, false.

ChangeFlipX(Boolean)

Called after change the flipX value.

Declaration

protected virtual void ChangeFlipX(bool value)

Parameters

Type	Name	Description
System.Boolean	value	New flip x value.

ChangeFlipY(Boolean)

Called after change the flipY value.

Declaration

protected virtual void ChangeFlipY(bool value)

Parameters

Type	Name	Description
System.Boolean	value	New flip y value.

ChangeRotationBy(Single)

Called after change the rotation by give angle.

Declaration

protected virtual void ChangeRotationBy(float fRotationChange)

Parameters

Type	Name	Description
System.Single	fRotationChange	The rotation angle offset.

CheckConstrainingRegion(PointF)

Checks the constraining region.

Declaration

protected bool CheckConstrainingRegion(PointF ptPoint)

Parameters

Type	Name	Description
System.Drawing.PointF	ptPoint	The given point.

Returns

Type	Description
System.Boolean	true, if check constraining region

CheckConstrainingRegion(RectangleF)

Checks the constraining region.

Declaration

protected virtual bool CheckConstrainingRegion(RectangleF bounds)

Parameters

Type	Name	Description
System.Drawing.RectangleF	bounds	The bounds.

Returns

Type	Description
System.Boolean	true, if check constraining region.

CheckNewPinPoint(PointF, MeasureUnits)

Checks the new pin point.

Declaration

protected virtual bool CheckNewPinPoint(PointF ptPinPoint, MeasureUnits unit)

Parameters

Type	Name	Description
System.Drawing.PointF	ptPinPoint	The pin point.
MeasureUnits	unit	The unit.

Returns

Type	Description
System.Boolean	true if this value can set; otherwise, false.

Clone()

Creates a new object that is a copy of the current instance.

Declaration

public abstract object Clone()

Returns

Type	Description
System.Object	A new object that is a copy of this instance.

ContainsPoint(PointF)

Performs given point hit test.

Declaration

public virtual bool ContainsPoint(PointF ptTest)

Parameters

Type	Name	Description
System.Drawing.PointF	ptTest	Point to test

Returns

Type	Description
System.Boolean	true, if contains point.

Remarks

Point must be in pixel units.

ConvertToModelCoordinates(PointF)

Converts given point from node's to model's coordinates.

Declaration

public PointF ConvertToModelCoordinates(PointF ptToConvert)

Parameters

Type	Name	Description
System.Drawing.PointF	ptToConvert	Point to convert.

Returns

Type	Description
System.Drawing.PointF	Converted point.

ConvertToNodeCoordinates(PointF)

Converts given point from model's to node's coordinates.

Declaration

public PointF ConvertToNodeCoordinates(PointF ptToConvert)

Parameters

Type	Name	Description
System.Drawing.PointF	ptToConvert	Point to convert.

Returns

Type	Description
System.Drawing.PointF	Converted point.

CreateBoundsInfo()

Create the bounds info container.

Declaration

protected void CreateBoundsInfo()

CreateBoundsInfo(BoundsInfo)

Creates the bounds info.

Declaration

protected void CreateBoundsInfo(BoundsInfo src)

Parameters

Type	Name	Description
BoundsInfo	src	The primary object.

CreateBoundsInfo(BoundsInfo, PageScale)

Creates the bounds info.

Declaration

protected void CreateBoundsInfo(BoundsInfo src, PageScale scale)

Parameters

Type	Name	Description
BoundsInfo	src	The primary object.
PageScale	scale	The scale.

CreateBoundsInfo(PointF, SizeF, SizeF)

Creates the bounds info.

Declaration

protected void CreateBoundsInfo(PointF ptPinPoint, SizeF szPinPointOffset, SizeF szSize)

Parameters

Type	Name	Description
System.Drawing.PointF	ptPinPoint	The pin point position.
System.Drawing.SizeF	szPinPointOffset	The pin point offset.
System.Drawing.SizeF	szSize	The size.

Dispose()

Declaration

public virtual void Dispose()

DoMoveRelatedActions(Single, Single)

Performs additional changes on pin position changed.

Declaration

protected virtual void DoMoveRelatedActions(float fX, float fY)

Parameters

Type	Name	Description
System.Single	fX	The pin offset by x axis.
System.Single	fY	The pin offset by y axis.

DoPinOffsetRelatedActions(SizeF, SizeF)

Performs additional changes on pin offset value changed.

Declaration

protected virtual void DoPinOffsetRelatedActions(SizeF szOldPinOffset, SizeF szNewPinOffset)

Parameters

Type	Name	Description
System.Drawing.SizeF	szOldPinOffset	The old pin offset value.
System.Drawing.SizeF	szNewPinOffset	The new pin offset value.

DoSizeRelatedActions(SizeF, SizeF)

Performs additional changes on size value changed.

Declaration

protected virtual void DoSizeRelatedActions(SizeF szOldSize, SizeF szNewSize)

Parameters

Type	Name	Description
System.Drawing.SizeF	szOldSize	Old size value.
System.Drawing.SizeF	szNewSize	New size value.

Draw(Graphics)

Draws object to the specified graphics.

Declaration

public void Draw(Graphics gfx)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.

Draw(Graphics, Boolean)

Draws object to the specified graphics.

Declaration

public void Draw(Graphics gfx, bool bExcludeTransformation)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
System.Boolean	bExcludeTransformation	if set to true to draws the object without the transformation.

EventSink_PropertyChanged(PropertyChangedEventArgs)

Raise when node property changed.

Declaration

protected virtual void EventSink_PropertyChanged(PropertyChangedEventArgs evtArgs)

Parameters

Type	Name	Description
PropertyChangedEventArgs	evtArgs	The PropertyChangedEventArgs instance containing the event data.

EventSink_PropertyChanging(PropertyChangingEventArgs)

Raise when node property changing.

Declaration

protected virtual void EventSink_PropertyChanging(PropertyChangingEventArgs evtArgs)

Parameters

Type	Name	Description
PropertyChangingEventArgs	evtArgs	The PropertyChangingEventArgs instance containing the event data.

GetBoundsRect(Node)

Gets the cached bounds rectangle from given node.

Declaration

protected RectangleF GetBoundsRect(Node node)

Parameters

Type	Name	Description
Node	node	The node to get BoundRect property value.

Returns

Type	Description
System.Drawing.RectangleF	The bounds.

GetLocalTransformations()

Gets local node's transformations.

Declaration

public Matrix GetLocalTransformations()

Returns

Type	Description
System.Drawing.Drawing2D.Matrix	The matrix

GetNodeBounds(Boolean, Boolean)

Gets the Node bounds with or without the labels or ports

Declaration

public virtual RectangleF GetNodeBounds(bool excludeLabel, bool excludePort)

Parameters

Type	Name	Description
System.Boolean	excludeLabel	if true, include the label bounds, otherwise exclude
System.Boolean	excludePort	if true, include the Port bounds, otherwise exclude

Returns

Type	Description
System.Drawing.RectangleF

GetObjectData(SerializationInfo, StreamingContext)

Populates a System.Runtime.Serialization.SerializationInfo with the data needed to serialize the target object.

Declaration

protected virtual void GetObjectData(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
System.Runtime.Serialization.SerializationInfo	info	The System.Runtime.Serialization.SerializationInfo to populate with data.
System.Runtime.Serialization.StreamingContext	context	The destination (see System.Runtime.Serialization.StreamingContext) for this serialization.

Exceptions

Type	Condition
System.Security.SecurityException	The caller does not have the required permission.

GetParentTransformation(Boolean)

Gets the parent transformation.

Declaration

protected Matrix GetParentTransformation(bool bCurrentInclude)

Parameters

Type	Name	Description
System.Boolean	bCurrentInclude	if set to true to include current node transformation.

Returns

Type	Description
System.Drawing.Drawing2D.Matrix	The matrix

GetPathBounds()

Methods used to get node's GraphicsPath

Declaration

protected virtual RectangleF GetPathBounds()

Returns

Type	Description
System.Drawing.RectangleF	node's GraphicsPath

Remarks

Used primarily for Group node to get all children paths union with transformations.

GetPropertyContainer(String)

Gets the property container.

Declaration

protected virtual object GetPropertyContainer(string strPropertyContainerName)

Parameters

Type	Name	Description
System.String	strPropertyContainerName	Name of the property container.

Returns

Type	Description
System.Object	The object.

GetPropertyContainerByName(String)

Gets the name of the property container by.

Declaration

public object GetPropertyContainerByName(string strPropertyContainerName)

Parameters

Type	Name	Description
System.String	strPropertyContainerName	Name of the property container.

Returns

Type	Description
System.Object	The object.

GetRectBounds(Boolean, Boolean)

Return the path bounds of the node

Declaration

protected virtual RectangleF GetRectBounds(bool excludeLabel, bool excludePort)

Parameters

Type	Name	Description
System.Boolean	excludeLabel	if true, include the label bounds, otherwise exclude
System.Boolean	excludePort	if true, include the Port bounds, otherwise exclude

Returns

Type	Description
System.Drawing.RectangleF

GetScaleTransformation()

Gets the node scale transformation.

Declaration

protected Matrix GetScaleTransformation()

Returns

Type	Description
System.Drawing.Drawing2D.Matrix	The matrix

GetService(Type)

Gets the service object of the specified type.

Declaration

public virtual object GetService(Type serviceType)

Parameters

Type	Name	Description
System.Type	serviceType	An object that specifies the type of service object to get.

Returns

Type	Description
System.Object	A service object of type serviceType.-or- null if there is no service object of type serviceType.

GetTransformations()

Gets node's transformations.

Declaration

public Matrix GetTransformations()

Returns

Type	Description
System.Drawing.Drawing2D.Matrix	The matrix.

GetTransformations(PointF, SizeF, Single)

Gets the transformations.

Declaration

protected Matrix GetTransformations(PointF ptPinPoint, SizeF szPinOffset, float fAngle)

Parameters

Type	Name	Description
System.Drawing.PointF	ptPinPoint	The pin point.
System.Drawing.SizeF	szPinOffset	The pin offset.
System.Single	fAngle	The rotation angle.

Returns

Type	Description
System.Drawing.Drawing2D.Matrix	The matrix

GetUpperLeftPoint(MeasureUnits)

Gets the upper left point in given units.

Declaration

protected PointF GetUpperLeftPoint(MeasureUnits unit)

Parameters

Type	Name	Description
MeasureUnits	unit	The graphics unit.

Returns

Type	Description
System.Drawing.PointF	The point.

IsClosedPath(GraphicsPath)

Determines whether specified shape is closed.

Declaration

protected bool IsClosedPath(GraphicsPath path)

Parameters

Type	Name	Description
System.Drawing.Drawing2D.GraphicsPath	path	The path.

Returns

Type	Description
System.Boolean	true if the specified shape is closed ; otherwise, false.

LogicalUnitChange(GraphicsUnit)

Logicals the unit change.

Declaration

protected virtual void LogicalUnitChange(GraphicsUnit unit)

Parameters

Type	Name	Description
System.Drawing.GraphicsUnit	unit	The unit.

Move(Single, Single)

Moves the specified offset.

Declaration

protected void Move(float fX, float fY)

Parameters

Type	Name	Description
System.Single	fX	The x offset.
System.Single	fY	The y offset.

OnDeserialized()

Called when node is deserialized.

Declaration

protected virtual void OnDeserialized()

OnMeasurementUnitsChanging(MeasureUnits)

Called when measurement units value changing.

Declaration

protected virtual void OnMeasurementUnitsChanging(MeasureUnits unitsNew)

Parameters

Type	Name	Description
MeasureUnits	unitsNew	The units new.

OnMouseClick(EventArgs)

Raises the mouse single click event.

Declaration

protected virtual void OnMouseClick(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnMouseDoubleClick(EventArgs)

Raises the mouse double click event.

Declaration

protected virtual void OnMouseDoubleClick(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnMouseEnter(EventArgs)

Raises the mouse enter event.

Declaration

protected virtual void OnMouseEnter(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnMouseLeave(EventArgs)

Raises the mouse leave event.

Declaration

protected virtual void OnMouseLeave(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnNodeScaleChanged(String)

Called when node scale factor is changed.

Declaration

protected virtual void OnNodeScaleChanged(string strPropertyName)

Parameters

Type	Name	Description
System.String	strPropertyName	The property name that change scale factor value.

OnParentChanged()

Called when parent changed.

Declaration

protected virtual void OnParentChanged()

OnParentChanging()

Called when parent changing.

Declaration

protected virtual void OnParentChanging()

OnPropertyChanged(String, String)

Called when property changed.

Declaration

public virtual void OnPropertyChanged(string strPropertyContainerName, string strPropertyName)

Parameters

Type	Name	Description
System.String	strPropertyContainerName	Name of the property container.
System.String	strPropertyName	Name of the property.

OnPropertyChanging(String, String, Object)

Called when property changing.

Declaration

public virtual bool OnPropertyChanging(string strPropertyContainerName, string strPropertyName, object newValue)

Parameters

Type	Name	Description
System.String	strPropertyContainerName	Name of the property container.
System.String	strPropertyName	Name of the property.
System.Object	newValue	The new value.

Returns

Type	Description
System.Boolean	true, if property changing.

PrepareGraphics(Graphics)

Prepares the graphics to draw.

Declaration

protected virtual void PrepareGraphics(Graphics gfx)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.

ProvideServiceReference(RuntimeTypeHandle)

Get the service reference from provider.

Declaration

public virtual object ProvideServiceReference(RuntimeTypeHandle typeHandle)

Parameters

Type	Name	Description
System.RuntimeTypeHandle	typeHandle	The type handle.

Returns

Type	Description
System.Object	The object.

QuiteBoundarySet(Boolean)

Quites set boundary value without record in history and calling sink events.

Declaration

protected void QuiteBoundarySet(bool bBoundaryConstraintsEnabled)

Parameters

Type	Name	Description
System.Boolean	bBoundaryConstraintsEnabled	if set to true boundary constraints enabled.

RecordPropertyChanged(String)

Updates the ports connections.

Declaration

protected void RecordPropertyChanged(string strPropertyName)

Parameters

Type	Name	Description
System.String	strPropertyName	Property name.

Render(Graphics)

Renders shapes visual representation on given graphics.

Declaration

protected virtual void Render(Graphics gfx)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on

RenderContiguousData(Graphics)

methods used to draw contiguous date. Such as labels or ports

Declaration

protected virtual void RenderContiguousData(Graphics gfx)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on

Rotate(Single)

Rotates the shape a specified number of degrees about its center point.

Declaration

public void Rotate(float degrees)

Parameters

Type	Name	Description
System.Single	degrees	Number of degrees to rotate.

SafeHistoryPause()

Safe pause history recording.

Declaration

protected void SafeHistoryPause()

SafeHistoryResume()

Safe restore history recording.

Declaration

protected void SafeHistoryResume()

Scale(Single, Single)

Scales the shape about its center point by a given ratio.

Declaration

public void Scale(float fScaleFactorX, float fScaleFactorY)

Parameters

Type	Name	Description
System.Single	fScaleFactorX	Scaling ratio for X axis.
System.Single	fScaleFactorY	Scaling ratio for Y axis.

SetPinOffset(SizeF, SizeF)

Sets the pin offset.

Declaration

protected void SetPinOffset(SizeF szOldPinOffset, SizeF szNewPinOffset)

Parameters

Type	Name	Description
System.Drawing.SizeF	szOldPinOffset	The old pin offset.
System.Drawing.SizeF	szNewPinOffset	The new pin offset.

SetPinPoint(PointF, MeasureUnits)

Set the pin point position.

Declaration

protected virtual void SetPinPoint(PointF ptValue, MeasureUnits unit)

Parameters

Type	Name	Description
System.Drawing.PointF	ptValue	The pin position.
MeasureUnits	unit	The measure unit.

SetSize(SizeF, SizeF)

Used to update child nodes sizes.

Declaration

protected void SetSize(SizeF szOldSize, SizeF szNewSize)

Parameters

Type	Name	Description
System.Drawing.SizeF	szOldSize	Old size.
System.Drawing.SizeF	szNewSize	New size.

ShowResizeHandles()

Indicate that selection and resize handles will draw on diagram canvas.

Declaration

public virtual bool ShowResizeHandles()

Returns

Type	Description
System.Boolean	true, if show resize handles.

Translate(Single, Single)

Moves the shape by the given X and Y offsets.

Declaration

public void Translate(float fX, float fY)

Parameters

Type	Name	Description
System.Single	fX	Distance to move along X axis.
System.Single	fY	Distance to move along Y axis.

Translate(Single, Single, MeasureUnits)

Moves the shape by the given X and Y offsets.

Declaration

public void Translate(float fX, float fY, MeasureUnits measureUnits)

Parameters

Type	Name	Description
System.Single	fX	Distance to move along X axis.
System.Single	fY	Distance to move along Y axis.
MeasureUnits	measureUnits	Specifies translate offsets measure units.

UpdateBoundingRectangle()

Updates the bounding rectangle.

Declaration

protected virtual void UpdateBoundingRectangle()

UpdateContainerBounds()

Updates the container bounds.

Declaration

protected void UpdateContainerBounds()

UpdateGraphicsPath(SizeF, SizeF)

Updates the graphics path and region.

Declaration

protected virtual void UpdateGraphicsPath(SizeF szOldSize, SizeF szNewSize)

Parameters

Type	Name	Description
System.Drawing.SizeF	szOldSize	Old size value.
System.Drawing.SizeF	szNewSize	New size value.

UpdateHelperRegion()

Creates region used for hit testing.

Declaration

protected virtual void UpdateHelperRegion()

UpdatePortPositions(SizeF, SizeF)

Update port positions on change node size.

Declaration

protected void UpdatePortPositions(SizeF szOldSize, SizeF szNewSize)

Parameters

Type	Name	Description
System.Drawing.SizeF	szOldSize	Old size.
System.Drawing.SizeF	szNewSize	New size.

UpdateReferences(IServiceReferenceProvider)

Updates the references.

Declaration

public virtual void UpdateReferences(IServiceReferenceProvider provider)

Parameters

Type	Name	Description
IServiceReferenceProvider	provider	The provider.

UpdateRefreshRect()

Updates node's refresh rect

Declaration

protected virtual void UpdateRefreshRect()

Remarks

Includes all contiguous data like ports, labels etc.

UpdateRefreshRect(RectangleF, Matrix)

Updates node's refresh rect used node graphics path bounds.

Declaration

protected void UpdateRefreshRect(RectangleF rcPathBounds, Matrix mtxNodeTransformation)

Parameters

Type	Name	Description
System.Drawing.RectangleF	rcPathBounds	The node path bounds.
System.Drawing.Drawing2D.Matrix	mtxNodeTransformation	Node matrix transformations.

UpdateServiceReferences(IServiceReferenceProvider)

Updates the service references.

Declaration

public void UpdateServiceReferences(IServiceReferenceProvider provider)

Parameters

Type	Name	Description
IServiceReferenceProvider	provider	The provider.

Explicit Interface Implementations

IDispatchNodeEvents.Click(EventArgs)

Declaration

void IDispatchNodeEvents.Click(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

IDispatchNodeEvents.DoubleClick(EventArgs)

Declaration

void IDispatchNodeEvents.DoubleClick(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

IDispatchNodeEvents.MouseEnter(EventArgs)

Declaration

void IDispatchNodeEvents.MouseEnter(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

IDispatchNodeEvents.MouseLeave(EventArgs)

Declaration

void IDispatchNodeEvents.MouseLeave(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

INode.Root

Declaration

INode INode.Root { get; }

Returns

Type	Description
INode

IUnitIndependent.GetBoundingRectangle(MeasureUnits, Boolean)

Gets the bounding rectangle.

Declaration

RectangleF IUnitIndependent.GetBoundingRectangle(MeasureUnits unit, bool bRelativeToModel)

Parameters

Type	Name	Description
MeasureUnits	unit	The unit.
System.Boolean	bRelativeToModel	if set to true to get bounds in model coordinates, otherwise - false.

Returns

Type	Description
System.Drawing.RectangleF	The System.Drawing.RectangleF.

IUnitIndependent.GetPinPoint(MeasureUnits)

Gets the pin point.

Declaration

PointF IUnitIndependent.GetPinPoint(MeasureUnits unit)

Parameters

Type	Name	Description
MeasureUnits	unit	The unit.

Returns

Type	Description
System.Drawing.PointF	The pin point.

IUnitIndependent.GetPinPointOffset(MeasureUnits)

Gets the pin point offset.

Declaration

SizeF IUnitIndependent.GetPinPointOffset(MeasureUnits unit)

Parameters

Type	Name	Description
MeasureUnits	unit	The unit.

Returns

Type	Description
System.Drawing.SizeF	The pin point offset/

IUnitIndependent.GetSize(MeasureUnits)

Gets the size.

Declaration

SizeF IUnitIndependent.GetSize(MeasureUnits unit)

Parameters

Type	Name	Description
MeasureUnits	unit	The unit.

Returns

Type	Description
System.Drawing.SizeF	The size.

IUnitIndependent.SetPinPoint(PointF, MeasureUnits)

Set the pin point.

Declaration

void IUnitIndependent.SetPinPoint(PointF ptValue, MeasureUnits unit)

Parameters

Type	Name	Description
System.Drawing.PointF	ptValue	The location value.
MeasureUnits	unit	The unit.

IUnitIndependent.SetPinPointOffset(SizeF, MeasureUnits)

Set the pin point offset.

Declaration

void IUnitIndependent.SetPinPointOffset(SizeF szValue, MeasureUnits unit)

Parameters

Type	Name	Description
System.Drawing.SizeF	szValue	The new offset size value.
MeasureUnits	unit	The unit.

IUnitIndependent.SetSize(SizeF, MeasureUnits)

Set the size.

Declaration

void IUnitIndependent.SetSize(SizeF szValue, MeasureUnits unit)

Parameters

Type	Name	Description
System.Drawing.SizeF	szValue	The new size value.
MeasureUnits	unit	The unit.

IDeserializationCallback.OnDeserialization(Object)

Runs when the entire object graph has been deserialized.

Declaration

void IDeserializationCallback.OnDeserialization(object sender)

Parameters

Type	Name	Description
System.Object	sender	The object that initiated the callback. The functionality for this parameter is not currently implemented.

ISerializable.GetObjectData(SerializationInfo, StreamingContext)

Populates a System.Runtime.Serialization.SerializationInfo with the data needed to serialize the target object.

Declaration

void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
System.Runtime.Serialization.SerializationInfo	info	The System.Runtime.Serialization.SerializationInfo to populate with data.
System.Runtime.Serialization.StreamingContext	context	The destination (see System.Runtime.Serialization.StreamingContext) for this serialization.

Exceptions

Type	Condition
System.Security.SecurityException	The caller does not have the required permission.

Implements

IUnitIndependent

IDispatchNodeEvents

System.Runtime.Serialization.ISerializable

INode

System.ICloneable

IServiceReferenceHolder

IServiceReferenceProvider

IPropertyObserver

IPropertyContainer

System.IServiceProvider

IGraphNode

System.Runtime.Serialization.IDeserializationCallback

System.IDisposable

Extension Methods

Extension.In<T>(T, T[])

DateTimeExtension.ToDateTime(Object)