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 # Class LinkDataBase

 Last update: 16.07.2025 

Namespace: [VM.Managed.CAD.Track](VM.Managed.CAD.Track.md)  
Assembly: VMDTrackBase.dll

The abstract class for link data.

```csharp
public abstract class LinkDataBase : LinkContainer, IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← LinkContainer ← [LinkDataBase](VM.Managed.CAD.Track.LinkDataBase.md)

#### Derived

[LinkDataSimple](VM.Managed.CAD.Track.LinkDataSimple.md), [LinkDataV](VM.Managed.CAD.Track.LinkDataV.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_CAD_Track_LinkDataBase__ctor"></a> LinkDataBase()

Initializes a new instance of the  class.

```csharp
public LinkDataBase()

```

### <a id="VM_Managed_CAD_Track_LinkDataBase__ctor_VM_Models_Pre_IOwned_"></a> LinkDataBase(IOwned)

Initializes a new instance of the  class.

```csharp
public LinkDataBase(IOwned owner)

```

#### Parameters

`owner` IOwned

The owner object.

## Properties

### <a id="VM_Managed_CAD_Track_LinkDataBase_BushBooleanType"></a> BushBooleanType

Gets and sets bush boolean type.

```csharp
public BooleanType BushBooleanType { get; set; }

```

#### Property Value

[BooleanType](VM.Managed.CAD.Track.BooleanType.md)

### <a id="VM_Managed_CAD_Track_LinkDataBase_BushTransformLeft"></a> BushTransformLeft

Gets or sets the bush transform.

```csharp
public ObjectBase BushTransformLeft { get; set; }

```

#### Property Value

ObjectBase

### <a id="VM_Managed_CAD_Track_LinkDataBase_BushTransformRight"></a> BushTransformRight

Gets or sets the bush transform.

```csharp
public ObjectBase BushTransformRight { get; set; }

```

#### Property Value

ObjectBase

### <a id="VM_Managed_CAD_Track_LinkDataBase_GeometryReference"></a> GeometryReference

Gets or sets the geometry reference.

```csharp
public ObjectBase GeometryReference { get; set; }

```

#### Property Value

ObjectBase

### <a id="VM_Managed_CAD_Track_LinkDataBase_InnerGauge"></a> InnerGauge

Gets and sets inner gauge.

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

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_IsApplyToFileProperty"></a> IsApplyToFileProperty

Gets and sets boolean

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

```

#### Property Value

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

### <a id="VM_Managed_CAD_Track_LinkDataBase_LDForLinkCombination"></a> LDForLinkCombination

Gets and sets longitudinal distance from reference position.

```csharp
public Variable LDForLinkCombination { get; set; }

```

#### Property Value

Variable

### <a id="VM_Managed_CAD_Track_LinkDataBase_LinkHeight1"></a> LinkHeight1

Gets and sets link height1.

```csharp
public ExpressionValueVariable LinkHeight1 { get; set; }

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_LinkHeight2"></a> LinkHeight2

Gets and sets link height2.

```csharp
public ExpressionValueVariable LinkHeight2 { get; set; }

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_LinkPitch"></a> LinkPitch

Gets and sets link pitch.

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

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_OuterGauge"></a> OuterGauge

Gets and sets outer gauge.

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

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_PinBooleanType"></a> PinBooleanType

Gets and sets pin boolean type.

```csharp
public BooleanType PinBooleanType { get; set; }

```

#### Property Value

[BooleanType](VM.Managed.CAD.Track.BooleanType.md)

### <a id="VM_Managed_CAD_Track_LinkDataBase_PinDiameter"></a> PinDiameter

Gets and sets pin diameter.

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

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_PinTransformLeft"></a> PinTransformLeft

Gets or sets the pin transform.

```csharp
public ObjectBase PinTransformLeft { get; set; }

```

#### Property Value

ObjectBase

### <a id="VM_Managed_CAD_Track_LinkDataBase_PinTransformRight"></a> PinTransformRight

Gets or sets the pin transform.

```csharp
public ObjectBase PinTransformRight { get; set; }

```

#### Property Value

ObjectBase

### <a id="VM_Managed_CAD_Track_LinkDataBase_PinWidth"></a> PinWidth

Gets and sets pin width.

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

```

#### Property Value

ExpressionValueVariable

### <a id="VM_Managed_CAD_Track_LinkDataBase_PositionForLinkCombination"></a> PositionForLinkCombination

Gets and set position for link combination.

```csharp
public ObjectBase PositionForLinkCombination { get; set; }

```

#### Property Value

ObjectBase

## Methods

### <a id="VM_Managed_CAD_Track_LinkDataBase_Calculation_Gradient_Bewteen_ArbitraryPoint_and_Circle_VM_Managed_VectorBase_VM_Managed_VectorBase_System_Double_"></a> Calculation\_Gradient\_Bewteen\_ArbitraryPoint\_and\_Circle(VectorBase, VectorBase, double)

Called when the gradient calculate between arbitrary point and circle.

```csharp
protected double[] Calculation_Gradient_Bewteen_ArbitraryPoint_and_Circle(VectorBase _ptArbitrary, VectorBase ptCenterofCircle, double _dRadiusofCircle)

```

#### Parameters

`_ptArbitrary` VectorBase

The arbitrary point.

`ptCenterofCircle` VectorBase

The center point of circle.

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

The radius of circle.

#### Returns

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

The array of gradient.

### <a id="VM_Managed_CAD_Track_LinkDataBase_Calculation_TangentPoint_Through_Line_Circle_System_Double_VM_Managed_VectorBase_VM_Managed_VectorBase_System_Double_"></a> Calculation\_TangentPoint\_Through\_Line\_Circle(double, VectorBase, VectorBase, double)

Called when tangent points calculates through line to circle.

```csharp
protected List<vectorbase> Calculation_TangentPoint_Through_Line_Circle(double dGradient, VectorBase _ptArbitrary, VectorBase ptCenterofCircle, double _dRadiusofCircle)

```

#### Parameters

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

The gradient.

`_ptArbitrary` VectorBase

The arbitrary point.

`ptCenterofCircle` VectorBase

The center point of circle.

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

The radius of circle.

#### Returns

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

The list of points

### <a id="VM_Managed_CAD_Track_LinkDataBase_CheckValidation"></a> CheckValidation()

Check validation for member variables.

```csharp
public virtual void CheckValidation()

```

### <a id="VM_Managed_CAD_Track_LinkDataBase_CreateParameter"></a> CreateParameter()

```csharp
protected abstract BuilderParamBase CreateParameter()

```

#### Returns

BuilderParamBase

### <a id="VM_Managed_CAD_Track_LinkDataBase_FillParameter_VM_CAD_Builders_Links_BuilderParamLink_"></a> FillParameter(BuilderParamLink)

```csharp
protected virtual void FillParameter(BuilderParamLink builderParam)

```

#### Parameters

`builderParam` BuilderParamLink

### <a id="VM_Managed_CAD_Track_LinkDataBase_GetFactorForLength"></a> GetFactorForLength()

Gets the factor for length.

```csharp
protected double GetFactorForLength()

```

#### Returns

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

The factor.

### <a id="VM_Managed_CAD_Track_LinkDataBase_LinkRequestUpdate_System_Object_VM_Managed_LinkEventArgs_"></a> LinkRequestUpdate(object, LinkEventArgs)

Links the request update.

```csharp
protected override void LinkRequestUpdate(object objNotifier, LinkEventArgs arg)

```

#### Parameters

`objNotifier` [object](https://learn.microsoft.com/dotnet/api/system.object)

The obj notifier.

`arg` LinkEventArgs

The  instance containing the event data.

### <a id="VM_Managed_CAD_Track_LinkDataBase_Update_DesignPointWhenUpdatedDV"></a> Update\_DesignPointWhenUpdatedDV()

Call when "LDForLinkCombination" updated.

```csharp
public void Update_DesignPointWhenUpdatedDV()

```

### <a id="VM_Managed_CAD_Track_LinkDataBase_Update_IDesignPointDataBecauseOfObjectControl_VM_Managed_TMatrix_"></a> Update\_IDesignPointDataBecauseOfObjectControl(TMatrix)

Update tranformation of design point or design frame.

```csharp
public void Update_IDesignPointDataBecauseOfObjectControl(TMatrix matT)

```

#### Parameters

`matT` TMatrix

The tramsformation matrix.

### <a id="VM_Managed_CAD_Track_LinkDataBase_Update_Transforms"></a> Update\_Transforms()

Update tranformation when geomerty changed.

```csharp
public void Update_Transforms()

```