## On this page # Class Contact<TProperty\\> Last update: 16.07.2025 Namespace: [VM.Managed.DAFUL.Contact](VM.Managed.DAFUL.Contact.md) Assembly: VMDCt.dll This base class is to represent the contact. ```csharp public abstract class Contact : Entity, 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 where TProperty : Property, new() ``` #### Type Parameters `TProperty` #### Inheritance [object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← ObjectBase ← Object<EntityEventCore> ← ContainerObject<EntityEventCore> ← EntityBase ← Entity<TProperty> ← [Contact<TProperty>](VM.Managed.DAFUL.Contact.Contact-1.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, ITemplateObject, IArgument, IReportable #### Inherited Members Entity<TProperty>.Initialize(Unit.ConvertFactor), Entity<TProperty>.GetUnnamedObjectName(object), Entity<TProperty>.FindLocal(string), Entity<TProperty>.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 ### Contact() Initializes a new instance of the class. ```csharp protected Contact() ``` ### Contact(string) Initializes a new instance of the class. ```csharp public Contact(string strName) ``` #### Parameters `strName` [string](https://learn.microsoft.com/dotnet/api/system.string) Name of the contact. ## Properties ### ArgumentType Gets the type of the argument ```csharp public abstract ArgumentTypes ArgumentType { get; } ``` #### Property Value ArgumentTypes ### HasLayerExplicitly Gets a value indicating whether object has a layer explicitly. ```csharp protected override bool HasLayerExplicitly { get; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ### Hide Gets or sets a value indicating whether this instance is hide. ```csharp public bool Hide { get; set; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ### ReferenceType Gets the type of the array for argument. ```csharp public virtual string ReferenceType { get; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### ReportTypeImpl Gets the report type. ```csharp protected abstract IReportable.ReportEntityType ReportTypeImpl { get; } ``` #### Property Value IReportable.ReportEntityType ## Methods ### Draw(Canvas) Draws the specified canvas. ```csharp public virtual void Draw(Canvas canvas) ``` #### Parameters `canvas` Canvas The canvas. ### LinkRequestDestroy(object, LinkEventArgs) Request for destroy the linked object. ```csharp protected override void LinkRequestDestroy(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. ### 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 virtual 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. ### UpdateIcon() Updates the icon. ```csharp protected abstract void UpdateIcon() ``` ### 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.