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 # Class BeamGroup

 Last update: 16.07.2025 

Namespace: [VM.Managed.DAFUL.Beam](VM.Managed.DAFUL.Beam.md)  
Assembly: VMDBeamGroup.dll

Beam Group Class

```csharp
[CanNotOpenWithNewPreprocessor]
public class BeamGroup : Group, IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, ISubEntity, IEntityBase, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, IHasName, IEnabled, IHasComment, INamed, INavigatorItem, IVisible, IArgument, IMultiChangable, IDraw, ITransformable, IReportable

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← ObjectBase ← Object<ObjectEventCore> ← SubEntity ← Group ← [BeamGroup](VM.Managed.DAFUL.Beam.BeamGroup.md)

#### Implements

IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, ISubEntity, IEntityBase, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, IHasName, IEnabled, IHasComment, INamed, INavigatorItem, IVisible, IArgument, IMultiChangable, IDraw, ITransformable, IReportable

#### Inherited Members

Group.OnLinkReserved(ILink, object, EventArgs), Group.OnDeserialization(object), Group.FixUp(ObjectBase), Group.GetSolidBody(), Group.GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool), Group.AddObject(ObjectBase), Group.RemoveObject(ObjectBase), Group.AddAction(GroupActionBase), Group.ActionNames(), Group.ExcuteAction(GroupActionBase, bool), Group.ExcuteAction(string, bool), Group.StateAction(string), Group.GetLayerImpl(), Group.SetLayerImpl(Layer), Group.IsEnabled, Group.Objects, Group.IsVisible, Group.ReferenceType, Group.ArgumentType, SubEntity.Initialize(Unit.ConvertFactor), SubEntity.GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool), SubEntity.FixUp(ObjectBase), SubEntity.WriteTemplateImpl(XmlWriter), SubEntity.ReadTemplateImpl(XmlReader), SubEntity.Name, SubEntity.FullName, SubEntity.NonSymmetricName, SubEntity.DisplayName, SubEntity.IsEnabled, SubEntity.Comment, 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)](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

### BeamGroup()

Constructor of BeamGroup Class

```csharp
public BeamGroup()

```

### BeamGroup(string)

Constructor of BeamGroup Class with Name

```csharp
public BeamGroup(string strName)

```

#### Parameters

`strName` [string](https://learn.microsoft.com/dotnet/api/system.string)

BeamGroup Name

## Properties

### BeamInfos

List container of beam information objects

```csharp
public BeamInfo[] BeamInfos { get; set; }

```

#### Property Value

[BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)\[\]

### DefaultBodyPoints

Default body points when beam group is first created.

```csharp
public List<Vector> DefaultBodyPoints { get; }

```

#### Property Value

[List](https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1)&lt;Vector&gt;

### 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)

### RestoretoStraight

Whether maintain straight status

```csharp
public bool RestoretoStraight { get; set; }

```

#### Property Value

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

### SyncBeamBodyProp

Whether syncronise beam and body properties

```csharp
public bool SyncBeamBodyProp { get; set; }

```

#### Property Value

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

### UseBeamForce

Whether use beam force or matrix force

```csharp
public bool UseBeamForce { get; set; }

```

#### Property Value

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

## Methods

### AddBeamInfo(BeamInfo)

Add beam information

```csharp
public void AddBeamInfo(BeamInfo beamInfo)

```

#### Parameters

`beamInfo` [BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Beam information to add

### CreateSolidBody(string, Vector)

Create Solid Body

```csharp
public static SolidBody CreateSolidBody(string name, Vector vecPoint)

```

#### Parameters

`name` [string](https://learn.microsoft.com/dotnet/api/system.string)

`vecPoint` Vector

#### Returns

SolidBody

### Draw(Canvas)

Draw Beam information geometry

```csharp
public void Draw(Canvas canvas)

```

#### Parameters

`canvas` Canvas

Canvas to draw beam geometry

### GetLayerImpl()

Gets the layer impl.

```csharp
protected override Layer GetLayerImpl()

```

#### Returns

Layer

#### Exceptions

[Exception](https://learn.microsoft.com/dotnet/api/system.exception)

Document of Group object is null.

### GetNextBeamInfo(BeamInfo)

Get next beam information

```csharp
public BeamInfo GetNextBeamInfo(BeamInfo beamInfo)

```

#### Parameters

`beamInfo` [BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Current beam information

#### Returns

[BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Next beam information

### GetPrevBeamInfo(BeamInfo)

Get previous beam information

```csharp
public BeamInfo GetPrevBeamInfo(BeamInfo beamInfo)

```

#### Parameters

`beamInfo` [BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Current beam information

#### Returns

[BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Previous beam information

### IsFirstBeamInfo(BeamInfo)

Whether beam element is a first entity among current beam group

```csharp
public bool IsFirstBeamInfo(BeamInfo beamInfo)

```

#### Parameters

`beamInfo` [BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Currnet beam information

#### Returns

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

It's true or false

### IsFirstBody(SolidBody)

Whether body is a first entity among all bodies

```csharp
public bool IsFirstBody(SolidBody solidBody)

```

#### Parameters

`solidBody` SolidBody

Body to check

#### Returns

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

It's true or false

### IsLastBeamInfo(BeamInfo)

Whether beam element is a last entity among current beam group

```csharp
public bool IsLastBeamInfo(BeamInfo beamInfo)

```

#### Parameters

`beamInfo` [BeamInfo](VM.Managed.DAFUL.Beam.BeamInfo.md)

Currnet beam information

#### Returns

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

It's true or false

### IsLastBody(SolidBody)

Whether body is a last entity among all bodies

```csharp
public bool IsLastBody(SolidBody solidBody)

```

#### Parameters

`solidBody` SolidBody

Body to check

#### Returns

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

It's true or false

### 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 to 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.

### 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.

### SetLayerImpl(Layer)

Implemented function to set layer

```csharp
protected override void SetLayerImpl(Layer layer)

```

#### Parameters

`layer` Layer

Layer Object

### UpdateBeamElementsOfAll()

Update beam elements of all

```csharp
public void UpdateBeamElementsOfAll()

```

### UpdateBeamNodesOfAll()

Update beam nodes of all

```csharp
public void UpdateBeamNodesOfAll()

```