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 # Class PartDocument.MassProperty

 Last update: 16.07.2025 

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

This class is to represent the mass property for part document.

```csharp
public class PartDocument.MassProperty : LinkContainer, IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← LinkContainer ← [PartDocument.MassProperty](VM.Managed.DAFUL.PartDocument.MassProperty.md)

#### Implements

IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

#### Inherited Members

LinkContainer.SetModified(), LinkContainer.raise\_OnUpdating(object, LinkEventArgs), LinkContainer.raise\_OnUpdate(object, LinkEventArgs), LinkContainer.raise\_OnDestroying(object, LinkEventArgs), LinkContainer.raise\_OnDestroy(object, LinkEventArgs), LinkContainer.raise\_OnAdded(object, AddToDocEventArgs), LinkContainer.raise\_OnRemoved(object, RemoveFromDocEventArgs), LinkContainer.GetTargetListForUpdate(), LinkContainer.SkipUpdateObjectImpl(), LinkContainer.Initialize(Unit.ConvertFactor), LinkContainer.SetFlagWhenXMLFile(string, bool), LinkContainer.IsSerializableEvent(Delegate), LinkContainer.CustomGetObjectData(SerializationInfo, StreamingContext), LinkContainer.GetSerializedData(SerializationInfo, StreamingContext), LinkContainer.LinkRequestUpdating(object, LinkEventArgs), LinkContainer.LinkRequestUpdate(object, LinkEventArgs), LinkContainer.LinkRequestDestroying(object, LinkEventArgs), LinkContainer.LinkRequestDestroy(object, LinkEventArgs), LinkContainer.LinkAddedToDocument(object, AddToDocEventArgs), LinkContainer.LinkRemovedFromDocument(object, RemoveFromDocEventArgs), LinkContainer.OnLinkReserved(ILink, object, EventArgs), LinkContainer.CanBeDestroy(object), LinkContainer.DisposeManagedResources(), LinkContainer.SetContainer(IOwned, bool), LinkContainer.OnChildUpdated(object, LinkEventArgs), LinkContainer.OnContainerDestroy(object, LinkEventArgs), LinkContainer.OnDeserialization(object), LinkContainer.Verify(VerifiedResult), LinkContainer.GetCopy(object), LinkContainer.Dispose(bool), LinkContainer.ClearChildInfoBeforeDeserialize, LinkContainer.Container, LinkContainer.Owner, LinkContainer.Document, LinkContainer.ID, LinkContainer.IsChildExternable, LinkContainer.IsExternable, LinkContainer.OnRemoved, LinkContainer.OnAdded, LinkContainer.OnDestroy, LinkContainer.OnDestroying, LinkContainer.OnUpdate, LinkContainer.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(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_PartDocument_MassProperty__ctor"></a> MassProperty()

Initializes a new instance of the  class.

```csharp
public MassProperty()

```

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty__ctor_VM_Unit_ConvertFactor_"></a> MassProperty(ConvertFactor)

Initializes a new instance of the  class.

```csharp
public MassProperty(Unit.ConvertFactor factor)

```

#### Parameters

`factor` Unit.ConvertFactor

The unit convert factor.

## Properties

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_Density"></a> Density

Gets or sets the density.

```csharp
public ExpressionValueVariable Density { get; set; }

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_Mass"></a> Mass

Gets or sets the mass.

```csharp
public ExpressionValueVariable Mass { get; set; }

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_MassCenter"></a> MassCenter

Gets or sets the transformation.

```csharp
public TransformBase MassCenter { get; set; }

```

#### Property Value

TransformBase

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_MassCenterOrientationValue"></a> MassCenterOrientationValue

Gets the orientation of mass center

```csharp
public OMatrix MassCenterOrientationValue { get; }

```

#### Property Value

OMatrix

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_MassCenterPositionValue"></a> MassCenterPositionValue

Gets the position of mass center

```csharp
public VectorBase MassCenterPositionValue { get; }

```

#### Property Value

VectorBase

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_MassValue"></a> MassValue

Gets or the mass.

```csharp
public double MassValue { get; }

```

#### Property Value

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

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_MomentOfInertia"></a> MomentOfInertia

Gets or sets the moment of inertia.

```csharp
public Variable[] MomentOfInertia { get; set; }

```

#### Property Value

Variable\[\]

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_MomentOfInertiaValue"></a> MomentOfInertiaValue

Gets the moment of inertia.

```csharp
public double[] MomentOfInertiaValue { get; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)\[\]

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_SolidPropertyType"></a> SolidPropertyType

Gets or sets the type of the solid property.

```csharp
public PartDocument.MassPropertyType SolidPropertyType { get; set; }

```

#### Property Value

[PartDocument](VM.Managed.DAFUL.PartDocument.md).[MassPropertyType](VM.Managed.DAFUL.PartDocument.MassPropertyType.md)

## Methods

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_Initialize_VM_Unit_ConvertFactor_"></a> Initialize(ConvertFactor)

Initializes member through unit convert factor.

```csharp
public override void Initialize(Unit.ConvertFactor factor)

```

#### Parameters

`factor` Unit.ConvertFactor

The unit convert factor.

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_LinkRequestUpdate_System_Object_VM_Managed_LinkEventArgs_"></a> 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.

### <a id="VM_Managed_DAFUL_PartDocument_MassProperty_OnDeserialization_System_Object_"></a> 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.