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 # Class TrackedSystemAPI

 Last update: 09.03.2026 

<a id="VM_API_Pre_Links_TrackedSystemAPI"></a>

Namespace: [VM.API.Pre.Links](VM.API.Pre.Links.md)  
Assembly: VM.API.Pre.Links.dll

This class implements APIs for chained system.

```csharp
public static class TrackedSystemAPI

```

#### Inheritance

object ← [TrackedSystemAPI](VM.API.Pre.Links.TrackedSystemAPI.md)

#### 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&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Methods

### <a id="VM_API_Pre_Links_TrackedSystemAPI_AddPathObjectToDocument_VM_API_Pre_Obj_System_Collections_Generic_IEnumerable_VM_API_Pre_Obj__System_Collections_Generic_IEnumerable_VM_Managed_Document3D__"></a> AddPathObjectToDocument(Obj, IEnumerable&lt;Obj&gt;, IEnumerable&lt;Document3D&gt;)

Add path to active document.

```csharp
[NotNullObj(new string[] { "trackPlacing" })]
[MatchTypeObj(new object[] { "trackPlacing", typeof(TrackPlacing) })]
[NotNull(new string[] { "paths", "pathDocuments" })]
public static IEnumerable<Obj> AddPathObjectToDocument(this Obj trackPlacing, IEnumerable<Obj> paths, IEnumerable<Document3D> pathDocuments)

```

#### Parameters

`trackPlacing` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The track placing to add object.

`paths` IEnumerable&lt;[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)&gt;

The paths.

`pathDocuments` IEnumerable&lt;Document3D&gt;

The path data documents.

#### Returns

IEnumerable&lt;[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)&gt;

The new path list

#### Exceptions

ArgumentNullException

Will be thrown if 'trackPlacing' arguments are empty.

ArgumentException

Will be thrown if type of 'trackPlacing' is not .

ArgumentException

Will be thrown if 'paths', 'pathDocuments' arguments are empty.

ArgumentException

Will be thrown if length of 'paths' and length of 'pathDocuments' are not equal.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateDouble_VM_Managed_DAFUL_Chained_DocumentChainedSegment_System_String_System_Nullable_System_Drawing_Color__System_Boolean_"></a> CreateDouble(DocumentChainedSegment, string, Color?, bool)

Create double shoe  with  builder.

```csharp
public static Obj CreateDouble(this DocumentChainedSegment document, string bodyName = "", Color? color = null, bool isInterface = false)

```

#### Parameters

`document` [DocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/DocumentChainedSegment.cs)

The document to create the double shoe solid body.

`bodyName` string

The name of the . If empty, default name starts with 'BD\_' will be generated and used.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

`isInterface` bool

'true' if it is interface body. Otherwise, 'false'.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateDouble_VM_Managed_DAFUL_Chained_PartDocumentChainedSegment_System_Nullable_System_Drawing_Color__"></a> CreateDouble(PartDocumentChainedSegment, Color?)

Create double shoe  with  builder in part.

```csharp
public static Obj CreateDouble(this PartDocumentChainedSegment document, Color? color = null)

```

#### Parameters

`document` [PartDocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/PartDocumentChainedSegment.cs)

The document to create the double shoe body.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateSimple_VM_Managed_DAFUL_Chained_DocumentChainedSegment_System_String_System_Nullable_System_Drawing_Color__System_Boolean_"></a> CreateSimple(DocumentChainedSegment, string, Color?, bool)

Create simple link  with  builder.

```csharp
public static Obj CreateSimple(this DocumentChainedSegment document, string bodyName = "", Color? color = null, bool isInterface = false)

```

#### Parameters

`document` [DocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/DocumentChainedSegment.cs)

The document to create the simple link solid body.

`bodyName` string

The name of the . If empty, default name starts with 'BD\_' will be generated and used.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

`isInterface` bool

'true' if it is interface body. Otherwise, 'false'.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateSimple_VM_Managed_DAFUL_Chained_PartDocumentChainedSegment_System_Nullable_System_Drawing_Color__"></a> CreateSimple(PartDocumentChainedSegment, Color?)

Create simple link  with  builder in part.

```csharp
public static Obj CreateSimple(this PartDocumentChainedSegment document, Color? color = null)

```

#### Parameters

`document` [PartDocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/PartDocumentChainedSegment.cs)

The document to create the simple link body.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateSingle_VM_Managed_DAFUL_Chained_DocumentChainedSegment_System_String_System_Nullable_System_Drawing_Color__System_Boolean_"></a> CreateSingle(DocumentChainedSegment, string, Color?, bool)

Create single shoe  with  builder.

```csharp
public static Obj CreateSingle(this DocumentChainedSegment document, string bodyName = "", Color? color = null, bool isInterface = false)

```

#### Parameters

`document` [DocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/DocumentChainedSegment.cs)

The document to create the single shoe solid body.

`bodyName` string

The name of the . If empty, default name starts with 'BD\_' will be generated and used.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

`isInterface` bool

'true' if it is interface body. Otherwise, 'false'.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateSingle_VM_Managed_DAFUL_Chained_PartDocumentChainedSegment_System_Nullable_System_Drawing_Color__"></a> CreateSingle(PartDocumentChainedSegment, Color?)

Create single shoe  with  builder in part.

```csharp
public static Obj CreateSingle(this PartDocumentChainedSegment document, Color? color = null)

```

#### Parameters

`document` [PartDocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/PartDocumentChainedSegment.cs)

The document to create the single shoe body.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateTrackedSystem_VM_Managed_DAFUL_SubSystemDocument_System_String_"></a> CreateTrackedSystem(SubSystemDocument, string)

Create tracked system .

```csharp
[NotNull(new string[] { "document" })]
public static Obj CreateTrackedSystem(this SubSystemDocument document, string name = "")

```

#### Parameters

`document` [SubSystemDocument](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDFBase/SubSystemDocument.cs)

The document to create the tracked system.

`name` string

The name of the . If empty, default name starts with 'TPlacing\_' will be generated and used.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateTriple_VM_Managed_DAFUL_Chained_DocumentChainedSegment_System_String_System_Nullable_System_Drawing_Color__System_Boolean_"></a> CreateTriple(DocumentChainedSegment, string, Color?, bool)

Create triple shoe  with  builder.

```csharp
public static Obj CreateTriple(this DocumentChainedSegment document, string bodyName = "", Color? color = null, bool isInterface = false)

```

#### Parameters

`document` [DocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/DocumentChainedSegment.cs)

The document to create the triple shoe solid body.

`bodyName` string

The name of the . If empty, default name starts with 'BD\_' will be generated and used.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

`isInterface` bool

'true' if it is interface body. Otherwise, 'false'.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateTriple_VM_Managed_DAFUL_Chained_PartDocumentChainedSegment_System_Nullable_System_Drawing_Color__"></a> CreateTriple(PartDocumentChainedSegment, Color?)

Create triple shoe  with  builder in part.

```csharp
public static Obj CreateTriple(this PartDocumentChainedSegment document, Color? color = null)

```

#### Parameters

`document` [PartDocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/PartDocumentChainedSegment.cs)

The document to create the triple shoe body.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateUserDefined_VM_Managed_DAFUL_Chained_DocumentChainedSegment_System_String_System_Nullable_System_Drawing_Color__System_Boolean_"></a> CreateUserDefined(DocumentChainedSegment, string, Color?, bool)

Create user-defined shoe  with  builder.

```csharp
public static Obj CreateUserDefined(this DocumentChainedSegment document, string bodyName = "", Color? color = null, bool isInterface = false)

```

#### Parameters

`document` [DocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/DocumentChainedSegment.cs)

The document to create the user-defined shoe solid body.

`bodyName` string

The name of the . If empty, default name starts with 'BD\_' will be generated and used.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

`isInterface` bool

'true' if it is interface body. Otherwise, 'false'.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateUserDefined_VM_Managed_DAFUL_Chained_PartDocumentChainedSegment_System_Nullable_System_Drawing_Color__"></a> CreateUserDefined(PartDocumentChainedSegment, Color?)

Create user-defined shoe  with  builder in part.

```csharp
public static Obj CreateUserDefined(this PartDocumentChainedSegment document, Color? color = null)

```

#### Parameters

`document` [PartDocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/PartDocumentChainedSegment.cs)

The document to create the user-defined shoe body.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateVType_VM_Managed_DAFUL_Chained_DocumentChainedSegment_System_String_System_Nullable_System_Drawing_Color__System_Boolean_"></a> CreateVType(DocumentChainedSegment, string, Color?, bool)

Create V-type link  with  builder.

```csharp
public static Obj CreateVType(this DocumentChainedSegment document, string bodyName = "", Color? color = null, bool isInterface = false)

```

#### Parameters

`document` [DocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/DocumentChainedSegment.cs)

The document to create the V-type link solid body.

`bodyName` string

The name of the . If empty, default name starts with 'BD\_' will be generated and used.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

`isInterface` bool

'true' if it is interface body. Otherwise, 'false'.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_CreateVType_VM_Managed_DAFUL_Chained_PartDocumentChainedSegment_System_Nullable_System_Drawing_Color__"></a> CreateVType(PartDocumentChainedSegment, Color?)

Create V-type link  with  builder in part.

```csharp
public static Obj CreateVType(this PartDocumentChainedSegment document, Color? color = null)

```

#### Parameters

`document` [PartDocumentChainedSegment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDChainedBase/PartDocumentChainedSegment.cs)

The document to create the V-type link body.

`color` Color?

The color of the new flat roller geometry. The default value is '0xBFAAAA'

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' is null.

### <a id="VM_API_Pre_Links_TrackedSystemAPI_ReplaceDesignPosition_VM_API_Pre_Obj_VM_API_Pre_Obj_VM_Models_Pre_ExpressionValueVariable_VM_TMatrix_"></a> ReplaceDesignPosition(Obj, Obj, ExpressionValueVariable, TMatrix)

Replace design position.

```csharp
[NotNullObj(new string[] { "segmentBody", "designPoint" })]
[MatchTypeObj(new object[] { "designPoint", typeof(DesignPoint) })]
public static void ReplaceDesignPosition(this Obj segmentBody, Obj designPoint, ExpressionValueVariable value, TMatrix matT)

```

#### Parameters

`segmentBody` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The segment body.

`designPoint` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The design point to be replaced.

`value` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The value to be replaced with axis.

`matT` TMatrix

The transformation to be replaced.

#### Exceptions

ArgumentNullException

Will be thrown if 'segmentBody','designPoint' arguments are empty.

ArgumentException

Will be thrown if type of 'segmentBody' is not  or  or  or .

ArgumentException

Will be thrown if type of 'designPoint' is not .

### <a id="VM_API_Pre_Links_TrackedSystemAPI_RestorePathToOriginPositionAndOrientation_VM_API_Pre_Obj_System_Collections_Generic_IEnumerable_VM_API_Pre_Obj__System_Collections_Generic_IEnumerable_VM_TMatrix__"></a> RestorePathToOriginPositionAndOrientation(Obj, IEnumerable&lt;Obj&gt;, IEnumerable&lt;TMatrix&gt;)

```csharp
[NotNullObj(new string[] { "trackPlacing" })]
[MatchTypeObj(new object[] { "trackPlacing", typeof(TrackPlacing) })]
[NotNull(new string[] { "paths", "transforms" })]
public static void RestorePathToOriginPositionAndOrientation(this Obj trackPlacing, IEnumerable<Obj> paths, IEnumerable<TMatrix> transforms)

```

#### Parameters

`trackPlacing` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

`paths` IEnumerable&lt;[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)&gt;

`transforms` IEnumerable&lt;TMatrix&gt;