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 # Class MultipleContactBase

 Last update: 09.03.2026 

<a id="VM_Managed_DAFUL_Contact_MultipleContactBase"></a>

Namespace: [VM.Managed.DAFUL.Contact](VM.Managed.DAFUL.Contact.md)  
Assembly: VMDCt.dll

This base class is to represent the base of multiple contact.

```csharp
[CanNotOpenWithNewPreprocessor]
public abstract class MultipleContactBase : Contact<PropertyMultiContact>, 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, ITemplateObject, IArgument, IReportable, IReferencable

```

#### Inheritance

object ← ObservableObject ← [LinkableBase](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/LinkableBase.cs) ← ObjectBase ← Object&lt;EntityEventCore&gt; ← ContainerObject&lt;EntityEventCore&gt; ← [EntityBase](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs) ← [Entity&lt;PropertyMultiContact&gt;](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs) ← [Contact&lt;PropertyMultiContact&gt;](VM.Managed.DAFUL.Contact.Contact-1.md) ← [MultipleContactBase](VM.Managed.DAFUL.Contact.MultipleContactBase.md)

#### Derived

[MbyNContact](VM.Managed.DAFUL.Contact.MbyNContact.md), [NCombinationContact](VM.Managed.DAFUL.Contact.NCombinationContact.md)

#### Implements

IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, [IHistoryObjectSerializable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/Interfaces.cs), 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, ITemplateObject, IArgument, IReportable, IReferencable

#### Inherited Members

[Contact&lt;PropertyMultiContact&gt;.UpdateIcon()](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_UpdateIcon), [Contact&lt;PropertyMultiContact&gt;.Draw(Canvas)](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_Draw_VM_CAD_Kernel_Render_Canvas_), [Contact&lt;PropertyMultiContact&gt;.ReDraw()](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_ReDraw), [Contact&lt;PropertyMultiContact&gt;.WriteTemplateImpl(XmlWriter)](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_WriteTemplateImpl_System_Xml_XmlWriter_), [Contact&lt;PropertyMultiContact&gt;.ReadTemplateImpl(XmlReader)](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_ReadTemplateImpl_System_Xml_XmlReader_), [Contact&lt;PropertyMultiContact&gt;.LinkRequestUpdate(object, LinkEventArgs)](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_LinkRequestUpdate_System_Object_VM_Managed_LinkEventArgs_), [Contact&lt;PropertyMultiContact&gt;.LinkRequestDestroy(object, LinkEventArgs)](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_LinkRequestDestroy_System_Object_VM_Managed_LinkEventArgs_), [Contact&lt;PropertyMultiContact&gt;.HasLayerExplicitly](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_HasLayerExplicitly), [Contact&lt;PropertyMultiContact&gt;.Hide](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_Hide), [Contact&lt;PropertyMultiContact&gt;.ReferenceType](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_ReferenceType), [Contact&lt;PropertyMultiContact&gt;.ArgumentType](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_ArgumentType), [Contact&lt;PropertyMultiContact&gt;.ReportTypeImpl](VM.Managed.DAFUL.Contact.Contact-1.md#VM_Managed_DAFUL_Contact_Contact_1_ReportTypeImpl), [Entity&lt;PropertyMultiContact&gt;.Initialize(Unit.ConvertFactor)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [Entity&lt;PropertyMultiContact&gt;.GetUnnamedObjectName(object)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [Entity&lt;PropertyMultiContact&gt;.FindLocal(string)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [Entity&lt;PropertyMultiContact&gt;.Property](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.Initialize(Unit.ConvertFactor)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.SetOldNameWithNewEntity(ObjectBase, ObjectBase)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.PropertyRequestUpdate(object, LinkEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.OnDeserializationForAttribute()](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.OnUpdatePropertyImpl(Property, LinkEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.LinkRequestDestroying(object, LinkEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.FixUp(ObjectBase)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.FindLocal(string)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.WriteTemplateImpl(XmlWriter)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.ReadTemplateImpl(XmlReader)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.LinkAddedToDocument(object, AddToDocEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.OnDeserialization(object)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.Name](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.FullName](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.NonSymmetricName](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.DisplayName](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.IsEnabled](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.Comment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.HasLayerExplicitly](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.UntypedProperty](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.IsFileProperty](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.Layer](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), [EntityBase.IsVisible](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/Entity.cs), ContainerObject&lt;EntityEventCore&gt;.Find(string), ContainerObject&lt;EntityEventCore&gt;.FindLocal(string), ContainerObject&lt;EntityEventCore&gt;.GetUnnamedObjectName(object), ContainerObject&lt;EntityEventCore&gt;.GetNewEntityName(string), ContainerObject&lt;EntityEventCore&gt;.GetNewEntityName(string, bool, int), ContainerObject&lt;EntityEventCore&gt;.GetNewEntityName(string, bool, int, int), Object&lt;EntityEventCore&gt;.GetKey(), Object&lt;EntityEventCore&gt;.Initialize(Unit.ConvertFactor), Object&lt;EntityEventCore&gt;.SetIconColor(Canvas), Object&lt;EntityEventCore&gt;.OnDeserialization(object), Object&lt;EntityEventCore&gt;.CustomGetObjectData(SerializationInfo, StreamingContext), Object&lt;EntityEventCore&gt;.RollbackEvent(), Object&lt;EntityEventCore&gt;.OnDeserializedCore(object), Object&lt;EntityEventCore&gt;.Key, Object&lt;EntityEventCore&gt;.UntypedEventCore, Object&lt;EntityEventCore&gt;.EventCore, Object&lt;EntityEventCore&gt;.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&lt;ObjectBase&gt;), ObjectBase.ResetInvalidEntity(), ObjectBase.OnDeserialization(object), ObjectBase.IsSerializableEvent(Delegate), ObjectBase.CustomGetObjectData(SerializationInfo, StreamingContext), ObjectBase.CheckAndUpdateLink(HashSet&lt;ObjectBase&gt;), 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&lt;T&gt;(T\[\], T\[\]), ObjectBase.IsEqualList(List&lt;double&gt;, List&lt;double&gt;), 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)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/LinkableBase.cs), 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&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Constructors

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase__ctor"></a> MultipleContactBase()

Initializes a new instance of the  class.

```csharp
public MultipleContactBase()

```

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase__ctor_System_String_"></a> MultipleContactBase(string)

Initializes a new instance of the  class.

```csharp
public MultipleContactBase(string strName)

```

#### Parameters

`strName` string

Name of the contact.

## Properties

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase_MultiContactType"></a> MultiContactType

Gets or sets the contact type.

```csharp
public MultiContactType MultiContactType { get; set; }

```

#### Property Value

[MultiContactType](VM.Managed.DAFUL.Contact.MultiContactType.md)

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase_ReportTypeImpl"></a> ReportTypeImpl

Gets the report type.

```csharp
protected override IReportable.ReportEntityType ReportTypeImpl { get; }

```

#### Property Value

IReportable.ReportEntityType

## Methods

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase_IsUseContactType_VM_Managed_DAFUL_IContactable_VM_Managed_DAFUL_IContactable_VM_Managed_DAFUL_Contact_MultiContactType_"></a> IsUseContactType(IContactable, IContactable, MultiContactType)

Determines whether the specified object is contact.

```csharp
public static bool IsUseContactType(IContactable base_bd, IContactable act_bd, MultiContactType type)

```

#### Parameters

`base_bd` IContactable

The base body.

`act_bd` IContactable

The action body.

`type` [MultiContactType](VM.Managed.DAFUL.Contact.MultiContactType.md)

The type.

#### Returns

bool

`true` if the specified object is contact; otherwise, `false`.

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase_IsUseContactType_VM_Managed_DAFUL_IContactable_VM_Managed_DAFUL_IContactable_VM_Managed_DAFUL_Contact_MultiContactType_System_Boolean__"></a> IsUseContactType(IContactable, IContactable, MultiContactType, ref bool)

Determines whether the specified object is contact.

```csharp
public static bool IsUseContactType(IContactable base_bd, IContactable act_bd, MultiContactType type, ref bool bSwitch)

```

#### Parameters

`base_bd` IContactable

The base body.

`act_bd` IContactable

The action body.

`type` [MultiContactType](VM.Managed.DAFUL.Contact.MultiContactType.md)

The type.

`bSwitch` bool

The switch.

#### Returns

bool

`true` if the specified object is contact; otherwise, `false`.

### <a id="VM_Managed_DAFUL_Contact_MultipleContactBase_UpdateIcon"></a> UpdateIcon()

Update the icon.

```csharp
protected override void UpdateIcon()

```