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 # Class CompositeFieldUsableValue

 Last update: 16.07.2025 

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

This class is to represent the composited field with usable value.

```csharp
public class CompositeFieldUsableValue : CompositeFieldUsable, IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

```

#### Inheritance

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

#### Implements

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

#### Inherited Members

[CompositeFieldUsable.IsUse](VM.Managed.DAFUL.CompositeFieldUsable.md#VM_Managed_DAFUL_CompositeFieldUsable_IsUse), [CompositeFieldUsable.Use](VM.Managed.DAFUL.CompositeFieldUsable.md#VM_Managed_DAFUL_CompositeFieldUsable_Use), 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_CompositeFieldUsableValue__ctor"></a> CompositeFieldUsableValue()

Initializes a new instance of the  class.

```csharp
public CompositeFieldUsableValue()

```

### <a id="VM_Managed_DAFUL_CompositeFieldUsableValue__ctor_VM_Managed_Property_"></a> CompositeFieldUsableValue(Property)

Initializes a new instance of the  class.

```csharp
public CompositeFieldUsableValue(Property owner)

```

#### Parameters

`owner` Property

The owner.

### <a id="VM_Managed_DAFUL_CompositeFieldUsableValue__ctor_System_Double_"></a> CompositeFieldUsableValue(double)

Initializes a new instance of the  class.

```csharp
public CompositeFieldUsableValue(double dValue)

```

#### Parameters

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

The d value.

### <a id="VM_Managed_DAFUL_CompositeFieldUsableValue__ctor_VM_Managed_Property_System_Double_"></a> CompositeFieldUsableValue(Property, double)

Initializes a new instance of the  class.

```csharp
public CompositeFieldUsableValue(Property owner, double dValue)

```

#### Parameters

`owner` Property

The owner.

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

The d value.

## Properties

### <a id="VM_Managed_DAFUL_CompositeFieldUsableValue_IsUse"></a> IsUse

Gets or sets a value indicating whether this  is use.

```csharp
public override bool IsUse { get; set; }

```

#### Property Value

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

### <a id="VM_Managed_DAFUL_CompositeFieldUsableValue_Use"></a> Use

Gets or sets a value indicating whether this  is use.

```csharp
protected override bool Use { get; set; }

```

#### Property Value

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

### <a id="VM_Managed_DAFUL_CompositeFieldUsableValue_Value"></a> Value

Gets or sets the value.

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

```

#### Property Value

ExpressionValueVariable