Motion Standalone Preprocessor C# library 2026 R1

Class Edge

Last update: 09.03.2026

Namespace: VM.Managed.CAD
Assembly: VMAppCore.dll

This class is to represent the edge in topology.

public class Edge : Topology, IObservableObject, IDisposableObject, ILinkable, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, ITopology

Inheritance

object ← ObservableObject ← LinkableBase ← ObjectBase ← Object<ObjectEventCore> ← Topology ← Edge

Implements

IObservableObject, IDisposableObject, ILinkable, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, ITopology

Inherited Members

Topology.GetTypeName(), Topology.Initialize(Unit.ConvertFactor), Topology.ResetInvalidEntity(), Topology.GetPrefixName(), Topology.ConnectProxy(), Topology.OnDeserialization(object), Topology.GetName(), Topology.InitializeTopologyName(bool), Topology.GetUnnamedObjectName(object), Topology.GetColor(ref Color), Topology.IndexCont, Topology.IsValid, Topology.Body, Topology.Index, Object<ObjectEventCore>.GetKey(), Object<ObjectEventCore>.Initialize(Unit.ConvertFactor), Object<ObjectEventCore>.SetIconColor(Canvas), Object<ObjectEventCore>.OnDeserialization(object), Object<ObjectEventCore>.CustomGetObjectData(SerializationInfo, StreamingContext), Object<ObjectEventCore>.RollbackEvent(), Object<ObjectEventCore>.OnDeserializedCore(object), Object<ObjectEventCore>.Key, Object<ObjectEventCore>.UntypedEventCore, Object<ObjectEventCore>.EventCore, Object<ObjectEventCore>.Attributes, ObjectBase.ReplaceEventCore(ObjectEventCore), ObjectBase.SetModifiedCore(ModifiedResult.ModifiedType), ObjectBase.AddPostDeserialize(StreamingContext), ObjectBase.LinkAddedToDocumentCore(IOwned, bool), ObjectBase.SetModified(ModifiedResult.ModifiedType), ObjectBase.SetModified(), ObjectBase.SetModified(ModifiedResult.ModifiedType, IDocument), ObjectBase.DestroyObject(object, LinkEventArgs), ObjectBase.DestroyObject(DestroyEventArgs), ObjectBase.DestroyObject(), ObjectBase.Initialize(Unit.ConvertFactor), ObjectBase.FixUp(ObjectBase), ObjectBase.DoWorkAfterUpdateContents(), ObjectBase.SetOldNameWithNewEntity(ObjectBase, ObjectBase), ObjectBase.SetIconColor(Canvas), ObjectBase.RemoveFromCreatedList(), ObjectBase.PostAddToDocument(), ObjectBase.PostRemoveFromDocument(Document), ObjectBase.GetArgumentList(LinkedList<ObjectBase>), ObjectBase.ResetInvalidEntity(), ObjectBase.OnDeserialization(object), ObjectBase.IsSerializableEvent(Delegate), ObjectBase.CustomGetObjectData(SerializationInfo, StreamingContext), ObjectBase.CheckAndUpdateLink(HashSet<ObjectBase>), ObjectBase.Verify(VerifiedResult), ObjectBase.ConnectProxy(), ObjectBase.RollbackEvent(), ObjectBase.LinkRequestUpdating(object, LinkEventArgs), ObjectBase.LinkRequestUpdate(object, LinkEventArgs), ObjectBase.LinkRequestDestroying(object, LinkEventArgs), ObjectBase.LinkRequestDestroy(object, LinkEventArgs), ObjectBase.LinkAddedToDocument(object, AddToDocEventArgs), ObjectBase.LinkRemovedFromDocument(object, RemoveFromDocEventArgs), ObjectBase.DisposeManagedResources(), ObjectBase.GetDestroyEventExtraData(), ObjectBase.OnLinkReserved(ILink, object, EventArgs), ObjectBase.CreateEntityWhenUpdateContents(Action), ObjectBase.GetObjectByKey(UIntPtr), ObjectBase.FindObjectOnXmlDeserialize(string), ObjectBase.UpdateContents(XmlReader, ObjectBase, string), ObjectBase.UpdateContents(XmlReader, ObjectBase), ObjectBase.UpdateContents(string, string), ObjectBase.UpdateContents(string), ObjectBase.SetFlagWhenXMLFile(string, bool), ObjectBase.IsEqualArray<T>(T[], T[]), ObjectBase.IsEqualList(List<double>, List<double>), ObjectBase.SetContainer(IOwned, bool), ObjectBase.GetTargetListForUpdate(), ObjectBase.SkipUpdateObjectImpl(), ObjectBase.raise_OnUpdating(object, LinkEventArgs), ObjectBase.raise_OnUpdate(object, LinkEventArgs), ObjectBase.raise_OnDestroying(object, LinkEventArgs), ObjectBase.raise_OnDestroy(object, LinkEventArgs), ObjectBase.raise_Destroying(object, Identifier), ObjectBase.raise_OnAdded(object, AddToDocEventArgs), ObjectBase.raise_OnRemoved(object, RemoveFromDocEventArgs), ObjectBase.raise_OnContentsUpdated(object, EventArgs), ObjectBase.Dispose(bool), ObjectBase.SkipModified, ObjectBase.ClearChildInfoBeforeDeserialize, ObjectBase.KeyImpl, ObjectBase.ID, ObjectBase.TopologyEntityTypeName, ObjectBase.ObjectStateForCircularError, ObjectBase.ObjectState, ObjectBase.IsChildExternable, ObjectBase.IsExternable, ObjectBase.Container, ObjectBase.Owner, ObjectBase.Document, ObjectBase.UntypedEventCore, ObjectBase.KernelKey, ObjectBase.Key, ObjectBase.OnContentsUpdated, ObjectBase.OnRemoved, ObjectBase.OnAdded, ObjectBase.Destroying, ObjectBase.OnDestroy, ObjectBase.OnDestroying, ObjectBase.OnUpdate, ObjectBase.OnUpdating, LinkableBase.OnDeserialization(object), ObservableObject.Dispose(), ObservableObject.RaisePropertyChanged(string), ObservableObject.RaisePropertyChanged(string, object, object), ObservableObject.Dispose(bool), ObservableObject.DisposeManagedResources(), ObservableObject.DisposeUnmanagedResources(), ObservableObject.IsDisposed, ObservableObject.TryDisposing, ObservableObject.Disposed, ObservableObject.Disposing, ObservableObject.PropertyChanged

Extension Methods

LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType), LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType), LinkPropertyItemCache.GetLinkedObjects<T>(object, LinkPropertyType)

Constructors

Edge()

Initializes a new instance of the class.

public Edge()

Methods

Draw(Canvas)

Draw [Not draw].

public void Draw(Canvas canvas)

Parameters

canvas Canvas

The canvas has icon information.

GetEdgeCenterPoint(ref VectorBase)

Get edge's center point.

public bool GetEdgeCenterPoint(ref VectorBase vecPosition)

Parameters

vecPosition VectorBase

The vector holds center position.

Returns

bool

true if success; otherwise, false.

GetEdgePointAndDirection(ref VectorBase, ref VectorBase)

Get edge's center point and direction.

public bool GetEdgePointAndDirection(ref VectorBase vecPosition, ref VectorBase vecDirection)

Parameters

vecPosition VectorBase

The vector holds center position.

vecDirection VectorBase

The vector holds direction.

Returns

bool

true if success; otherwise, false.

GetEdgePoints(double, double, double)

Get edge point container.

public Vector[] GetEdgePoints(double dTol, double dLen, double dAngle)

Parameters

dTol double

dLen double

dAngle double

Returns

Vector[]

The edge container.

GetEdgePoints(uint)

Get edge point container.

public Vector[] GetEdgePoints(uint nNum)

Parameters

nNum uint

The number of edge points.

Returns

Vector[]

The edge container.

GetLength()

Get length of edge.

public double GetLength()

Returns

double

GetNumOfEdgePoint()

Get number of edge point.

public uint GetNumOfEdgePoint()

Returns

uint

The number of edge point.

GetPiecewiseCurve(List<Edge>, double, double, double, ref bool)

public static List<VectorBase> GetPiecewiseCurve(List<Edge> lstEdges, double dTol, double dLen, double dAngle, ref bool bCloseLoop)

Parameters

lstEdges List<Edge>

dTol double

dLen double

dAngle double

bCloseLoop bool

Returns

List<VectorBase>

GetTypeName()

Gets the name of topology(edge, face, vertex).

public override string GetTypeName()

Returns

string

The name of topology

IsOpen()

Whether edge is open.

public bool IsOpen()

Returns

bool

true if open; otherwise, false.

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