## On this page # Class Coupler Last update: 16.07.2025 Namespace: [VM.Managed.DAFUL.Constraints](VM.Managed.DAFUL.Constraints.md) Assembly: VMDCP.dll This class is to represent the coupler. ```csharp public class Coupler : CouplerBase, IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, IContainer, IEntity, IEntityBase, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, IHasName, IEnabled, IHasComment, IVisible, IDocumentOwner, INamed, INavigatorItem, IVisible, IMultiChangable, IHasProperty, IGroup, IEnableForSimulationScenario, IDraw, IDrawIcon, IArgument, ITemplateObject, IEntityRelation ``` #### Inheritance [object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← ObjectBase ← Object<EntityEventCore> ← ContainerObject<EntityEventCore> ← EntityBase ← Entity<PropertyCoupler> ← [CouplerBase<PropertyCoupler>](VM.Managed.DAFUL.Constraints.CouplerBase-1.md) ← [Coupler](VM.Managed.DAFUL.Constraints.Coupler.md) #### Implements IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, IContainer, IEntity, IEntityBase, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, IHasName, IEnabled, IHasComment, IVisible, IDocumentOwner, INamed, INavigatorItem, IVisible, IMultiChangable, IHasProperty, IGroup, IEnableForSimulationScenario, IDraw, IDrawIcon, IArgument, ITemplateObject, IEntityRelation #### Inherited Members [CouplerBase<PropertyCoupler>.m\_bSkipToUpdateSymmetric](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_m_bSkipToUpdateSymmetric), [CouplerBase<PropertyCoupler>.LinkRequestUpdate(object, LinkEventArgs)](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_LinkRequestUpdate_System_Object_VM_Managed_LinkEventArgs_), [CouplerBase<PropertyCoupler>.GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool)](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_GetModelNavigatorInformationImpl_System_Xml_XmlDocument_System_Xml_XmlElement_System_Boolean_), [CouplerBase<PropertyCoupler>.Draw(Canvas)](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_Draw_VM_CAD_Kernel_Render_Canvas_), [CouplerBase<PropertyCoupler>.ReDraw()](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_ReDraw), [CouplerBase<PropertyCoupler>.WriteTemplateImpl(XmlWriter)](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_WriteTemplateImpl_System_Xml_XmlWriter_), [CouplerBase<PropertyCoupler>.ReadTemplateImpl(XmlReader)](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_ReadTemplateImpl_System_Xml_XmlReader_), [CouplerBase<PropertyCoupler>.GetChildListImpl()](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_GetChildListImpl), [CouplerBase<PropertyCoupler>.Joint1](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_Joint1), [CouplerBase<PropertyCoupler>.Joint1\_FullName](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_Joint1_FullName), [CouplerBase<PropertyCoupler>.Joint2](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_Joint2), [CouplerBase<PropertyCoupler>.Joint2\_FullName](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_Joint2_FullName), [CouplerBase<PropertyCoupler>.JointType1](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_JointType1), [CouplerBase<PropertyCoupler>.JointType2](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_JointType2), [CouplerBase<PropertyCoupler>.HasLayerExplicitly](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_HasLayerExplicitly), [CouplerBase<PropertyCoupler>.Hide](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_Hide), [CouplerBase<PropertyCoupler>.ReferenceType](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_ReferenceType), [CouplerBase<PropertyCoupler>.ArgumentType](VM.Managed.DAFUL.Constraints.CouplerBase-1.md#VM_Managed_DAFUL_Constraints_CouplerBase_1_ArgumentType), Entity<PropertyCoupler>.Initialize(Unit.ConvertFactor), Entity<PropertyCoupler>.GetUnnamedObjectName(object), Entity<PropertyCoupler>.FindLocal(string), Entity<PropertyCoupler>.Property, EntityBase.Initialize(Unit.ConvertFactor), EntityBase.SetOldNameWithNewEntity(ObjectBase, ObjectBase), EntityBase.PropertyRequestUpdate(object, LinkEventArgs), EntityBase.OnDeserializationForAttribute(), EntityBase.OnUpdatePropertyImpl(Property, LinkEventArgs), EntityBase.LinkRequestDestroying(object, LinkEventArgs), EntityBase.GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool), EntityBase.FixUp(ObjectBase), EntityBase.FindLocal(string), EntityBase.WriteTemplateImpl(XmlWriter), EntityBase.ReadTemplateImpl(XmlReader), EntityBase.LinkAddedToDocument(object, AddToDocEventArgs), EntityBase.OnDeserialization(object), EntityBase.Name, EntityBase.FullName, EntityBase.NonSymmetricName, EntityBase.DisplayName, EntityBase.IsEnabled, EntityBase.Comment, EntityBase.HasLayerExplicitly, EntityBase.UntypedProperty, EntityBase.IsFileProperty, EntityBase.Layer, EntityBase.IsVisible, ContainerObject<EntityEventCore>.Find(string), ContainerObject<EntityEventCore>.FindLocal(string), ContainerObject<EntityEventCore>.GetUnnamedObjectName(object), ContainerObject<EntityEventCore>.GetNewEntityName(string), ContainerObject<EntityEventCore>.GetNewEntityName(string, bool, int), ContainerObject<EntityEventCore>.GetNewEntityName(string, bool, int, int), Object<EntityEventCore>.GetKey(), Object<EntityEventCore>.Initialize(Unit.ConvertFactor), Object<EntityEventCore>.SetIconColor(Canvas), Object<EntityEventCore>.OnDeserialization(object), Object<EntityEventCore>.CustomGetObjectData(SerializationInfo, StreamingContext), Object<EntityEventCore>.RollbackEvent(), Object<EntityEventCore>.OnDeserializedCore(object), Object<EntityEventCore>.Key, Object<EntityEventCore>.UntypedEventCore, Object<EntityEventCore>.EventCore, Object<EntityEventCore>.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)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects<T>(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_) ## Constructors ### Coupler() Initializes a new instance of the class. ```csharp public Coupler() ``` ### Coupler(string) Initializes a new instance of the class. ```csharp public Coupler(string strName) ``` #### Parameters `strName` [string](https://learn.microsoft.com/dotnet/api/system.string) Name of the coupler. ## Properties ### Joint3 Gets or sets the third joint. ```csharp public ObjectBase Joint3 { get; set; } ``` #### Property Value ObjectBase ### Joint3\_FullName Gets the full name of the third joint. ```csharp public string Joint3_FullName { get; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### JointType3 Gets or sets the third joint type. ```csharp public CouplerBase.JointType JointType3 { get; set; } ``` #### Property Value [CouplerBase](VM.Managed.DAFUL.Constraints.CouplerBase-1.md)<[PropertyCoupler](VM.Managed.DAFUL.Constraints.PropertyCoupler.md)>.[JointType](VM.Managed.DAFUL.Constraints.CouplerBase-1.JointType.md) ### NumOfJoint Gets or sets the number of joint. ```csharp public int NumOfJoint { get; set; } ``` #### Property Value [int](https://learn.microsoft.com/dotnet/api/system.int32) ## Methods ### Draw(Canvas) Draws the icon. ```csharp public override void Draw(Canvas canvas) ``` #### Parameters `canvas` Canvas The canvas has icon information. ### GetChildListImpl() get child list ```csharp protected override IEnumerable GetChildListImpl() ``` #### Returns [IEnumerable](https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1)<ObjectBase> ### GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool) Gets the object information for model navigator \[implementation\]. ```csharp protected override bool GetModelNavigatorInformationImpl(XmlDocument xmlDom, XmlElement xmlEle, bool bHasChild) ``` #### Parameters `xmlDom` [XmlDocument](https://learn.microsoft.com/dotnet/api/system.xml.xmldocument) The XmlDocument for object. `xmlEle` [XmlElement](https://learn.microsoft.com/dotnet/api/system.xml.xmlelement) The XmlElement for object. `bHasChild` [bool](https://learn.microsoft.com/dotnet/api/system.boolean) if set to `true` \[has child\]. #### Returns [bool](https://learn.microsoft.com/dotnet/api/system.boolean) `true` if success; otherwise, `false`. ### Initialize(ConvertFactor) Initializes member through unit convert factor. ```csharp public override void Initialize(Unit.ConvertFactor factor) ``` #### Parameters `factor` Unit.ConvertFactor The unit convert factor. ### LinkRequestUpdate(object, LinkEventArgs) Request for update the linked object. ```csharp protected override void LinkRequestUpdate(object objNotifier, LinkEventArgs arg) ``` #### Parameters `objNotifier` [object](https://learn.microsoft.com/dotnet/api/system.object) The linked object. `arg` LinkEventArgs The instance containing the event data. ### ReDraw() Redraw. ```csharp public override void ReDraw() ``` ### ReadTemplateImpl(XmlReader) Reads the template document \[implementation\]. ```csharp protected override void ReadTemplateImpl(XmlReader reader) ``` #### Parameters `reader` [XmlReader](https://learn.microsoft.com/dotnet/api/system.xml.xmlreader) The reader. ### WriteTemplateImpl(XmlWriter) Writes the template document \[implementation\]. ```csharp protected override void WriteTemplateImpl(XmlWriter writer) ``` #### Parameters `writer` [XmlWriter](https://learn.microsoft.com/dotnet/api/system.xml.xmlwriter) The writer.