## On this page # Class EntityBase Last update: 16.07.2025 Namespace: [VM.Managed](VM.Managed.md) Assembly: VMObjBase.dll This bsse class is to represent the entity base. ```csharp public abstract class EntityBase : ContainerObject, 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 ``` #### Inheritance [object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← ObjectBase ← Object<EntityEventCore> ← ContainerObject<EntityEventCore> ← [EntityBase](VM.Managed.EntityBase.md) #### Derived [Entity<TProperty>](VM.Managed.Entity-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](VM.Managed.IHasProperty.md) #### Inherited Members 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 ### EntityBase() Initializes a new instance of the class. ```csharp protected EntityBase() ``` ### EntityBase(string) Initializes a new instance of the class. ```csharp protected EntityBase(string strName) ``` #### Parameters `strName` [string](https://learn.microsoft.com/dotnet/api/system.string) Name of the entity base. ## Properties ### Comment Gets or sets the comment. ```csharp public string Comment { get; set; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### DisplayName The display name. ```csharp public virtual string DisplayName { get; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### FullName Gets the full name. ```csharp public string FullName { get; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### HasLayerExplicitly Gets a value indicating whether object has a layer explicitly. ```csharp protected abstract bool HasLayerExplicitly { get; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ### IsEnabled Gets or sets a value indicating whether this is enabled. ```csharp public virtual bool IsEnabled { get; set; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ### IsFileProperty Gets a value indicating whether this instance is file property. ```csharp protected bool IsFileProperty { get; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ### IsVisible Gets or sets the visible state. ```csharp public virtual bool IsVisible { get; set; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ### Layer Gets or sets the layer. ```csharp public virtual Layer Layer { get; set; } ``` #### Property Value Layer ### Name Gets or sets the name. ```csharp public string Name { get; set; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### NonSymmetricName Gets the name of the non symmetric. ```csharp public string NonSymmetricName { get; } ``` #### Property Value [string](https://learn.microsoft.com/dotnet/api/system.string) ### UntypedProperty Gets or sets the untyped property. ```csharp public Property UntypedProperty { get; set; } ``` #### Property Value [Property](VM.Managed.Property.md) ## Methods ### FindLocal(string) Finds an object that matches a specified name in local. ```csharp public override IObjectBase FindLocal(string strName) ``` #### Parameters `strName` [string](https://learn.microsoft.com/dotnet/api/system.string) Name to search for. #### Returns IObjectBase An object that matches a specified name. ### FixUp(ObjectBase) Before destroy the old object, perform a work. ```csharp public override bool FixUp(ObjectBase ob) ``` #### Parameters `ob` ObjectBase The old object. #### Returns [bool](https://learn.microsoft.com/dotnet/api/system.boolean) `true` if success; otherwise, `false`. ### GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool) Gets the object information for model navigator \[implementation\]. ```csharp protected virtual 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` \[b has child\]. #### 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. ### LinkAddedToDocument(object, AddToDocEventArgs) Add linked object to a document. ```csharp protected override void LinkAddedToDocument(object objNotifier, AddToDocEventArgs arg) ``` #### Parameters `objNotifier` [object](https://learn.microsoft.com/dotnet/api/system.object) The linked object. `arg` AddToDocEventArgs The instance containing the event data. ### LinkRequestDestroying(object, LinkEventArgs) Request for destroying the linked object. ```csharp protected override void LinkRequestDestroying(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. ### OnDeserialization(object) Called when \[deserialization\]. ```csharp protected override void OnDeserialization(object sender) ``` #### Parameters `sender` [object](https://learn.microsoft.com/dotnet/api/system.object) The sender. ### OnDeserializationForAttribute() Called when \[deserialization for attribute\]. ```csharp public virtual void OnDeserializationForAttribute() ``` ### OnUpdatePropertyImpl(Property, LinkEventArgs) Called when \[update property\]. ```csharp protected virtual void OnUpdatePropertyImpl(Property prop, LinkEventArgs arg) ``` #### Parameters `prop` [Property](VM.Managed.Property.md) The property. `arg` LinkEventArgs The instance containing the event data. ### PropertyRequestUpdate(object, LinkEventArgs) Request for update the property. ```csharp public void PropertyRequestUpdate(object obj, LinkEventArgs arg) ``` #### Parameters `obj` [object](https://learn.microsoft.com/dotnet/api/system.object) The linked object. `arg` LinkEventArgs The instance containing the event data. ### ReadTemplateImpl(XmlReader) Reads the template document \[implementation\]. ```csharp protected virtual void ReadTemplateImpl(XmlReader reader) ``` #### Parameters `reader` [XmlReader](https://learn.microsoft.com/dotnet/api/system.xml.xmlreader) The reader. ### SetOldNameWithNewEntity(ObjectBase, ObjectBase) Change for the new name. ```csharp public override sealed void SetOldNameWithNewEntity(ObjectBase obNew, ObjectBase obOld) ``` #### Parameters `obNew` ObjectBase The new object. `obOld` ObjectBase The old object. ### WriteTemplateImpl(XmlWriter) Writes the template document \[implementation\]. ```csharp protected virtual void WriteTemplateImpl(XmlWriter writer) ``` #### Parameters `writer` [XmlWriter](https://learn.microsoft.com/dotnet/api/system.xml.xmlwriter) The writer.