## On this page # Class BallPlacing Last update: 16.07.2025 Namespace: [VM.Managed.DAFUL](VM.Managed.DAFUL.md) Assembly: VMDBallPlacing.dll This class is to represent the ball placing. ```csharp public class BallPlacing : 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, IDraw, IDrawIcon, IPostDeserialized, IReportable ``` #### Inheritance [object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← ObjectBase ← Object<EntityEventCore> ← ContainerObject<EntityEventCore> ← EntityBase ← Entity<PropertyBallPlacing> ← [BallPlacing](VM.Managed.DAFUL.BallPlacing.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, IDraw, IDrawIcon, IPostDeserialized, IReportable #### Inherited Members Entity<PropertyBallPlacing>.Initialize(Unit.ConvertFactor), Entity<PropertyBallPlacing>.GetUnnamedObjectName(object), Entity<PropertyBallPlacing>.FindLocal(string), Entity<PropertyBallPlacing>.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 ### BallPlacing() Initializes a new instance of the class. ```csharp public BallPlacing() ``` ## Properties ### BallSpacingMethod Gets or sets the ball placing method. ```csharp public BallSpacingMethod BallSpacingMethod { get; set; } ``` #### Property Value [BallSpacingMethod](VM.Managed.DAFUL.BallSpacingMethod.md) ### BallToBall Gets or sets the ball geometries. ```csharp public MultipleContactInfo[] BallToBall { get; set; } ``` #### Property Value MultipleContactInfo\[\] ### Balls Gets or sets the balls. ```csharp public SolidBody[] Balls { get; set; } ``` #### Property Value SolidBody\[\] ### Distance Gets or sets the distance. ```csharp public ExpressionValueVariable Distance { get; set; } ``` #### Property Value ExpressionValueVariable ### 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) ### InitColor Gets or sets the init color. ```csharp public Color InitColor { get; set; } ``` #### Property Value [Color](https://learn.microsoft.com/dotnet/api/system.drawing.color) ### InitColorArgb Gets or sets the init color. ```csharp public int InitColorArgb { get; set; } ``` #### Property Value [int](https://learn.microsoft.com/dotnet/api/system.int32) ### InitRadius Gets or sets the init radius. ```csharp public ExpressionValueVariable InitRadius { get; set; } ``` #### Property Value ExpressionValueVariable ### NumberOfBall Gets or sets the number of ball. ```csharp public ExpressionValueVariable NumberOfBall { get; set; } ``` #### Property Value ExpressionValueVariable ### Path Gets or sets the path. ```csharp public List Path { get; set; } ``` #### Property Value [List](https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1)<Vector> ### PathType Gets or sets the path type. ```csharp public PathType PathType { get; set; } ``` #### Property Value [PathType](VM.Managed.DAFUL.PathType.md) ### ShiftOfStartPosition Gets or sets the shift of start position. ```csharp public ExpressionValueVariable ShiftOfStartPosition { get; set; } ``` #### Property Value ExpressionValueVariable ### SynchronizeWithGeometry Gets or sets the synchronize with geometry. ```csharp public bool SynchronizeWithGeometry { get; set; } ``` #### Property Value [bool](https://learn.microsoft.com/dotnet/api/system.boolean) ## Methods ### CreateBalls(Document3D) Create Balls ```csharp public void CreateBalls(Document3D document3D) ``` #### Parameters `document3D` Document3D The document. ### 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`. ### Initialize(ConvertFactor) Initializes member through unit convert factor. ```csharp public override void Initialize(Unit.ConvertFactor factor) ``` #### Parameters `factor` Unit.ConvertFactor The unit convert factor. ### 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.