## On this page

  

 

 #  Class Relation

 Last update: 16.07.2025 

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

The relation operation

```csharp
public class Relation : OperationBase, IOperation

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← OperationBase ← [Relation](VM.Managed.DAFUL.Operation.Relation.md)

#### Implements

IOperation

#### Inherited Members

OperationBase.g\_bRedrawKernel, OperationBase.g\_bVerify, OperationBase.g\_bSkipAddEvent, OperationBase.g\_bDupicateMsg, OperationBase.m\_bIsHistoryMerge, OperationBase.Execute(), OperationBase.PostExecute(), OperationBase.GetInformation(XmlWriter), OperationBase.Create(string, View, object), OperationBase.Create(string, IDocument, object), OperationBase.Create(string, object), OperationBase.Create(string), OperationBase.StartSession(), OperationBase.StartSession(OperationBase, OperationBase.PostOperation), OperationBase.StartSession(OperationBase), OperationBase.StartSessionAndWait(), OperationBase.StartSessionAndWait(OperationBase, OperationBase.PostOperation), OperationBase.StartSessionAndWait(OperationBase), OperationBase.Initialize(OperationBase.ShowVerifyResult), OperationBase.RecordJournal(OperationBase), OperationBase.UseSession(string), OperationBase.raise\_OnOperationStatusChanged(object, OperationStatusEventArgs), OperationBase.raise\_OnEndOperation(object, EventArgs), OperationBase.ClearCurrentMark(string), OperationBase.ClearCurrentMark(IDocument), OperationBase.ClearCurrentMark(), OperationBase.GlobalOverride, OperationBase.IsDoingThread, OperationBase.ExecuteMacro, OperationBase.SimStatus, OperationBase.Status, OperationBase.autoEvents, OperationBase.IsHistoryMerge, OperationBase.SkipClearTemporaryLinkContainer, OperationBase.PostExecuteClearTemporaryLinkContainer, OperationBase.SkipEndOperation, OperationBase.UseMacro, OperationBase.MarkStatus, OperationBase.UseThread, OperationBase.Name, OperationBase.ExecutableOnHold, OperationBase.Override, OperationBase.Parameter, OperationBase.View, OperationBase.Document, OperationBase.OnEndOperation, OperationBase.OnOperationStatusChanged

#### 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_Operation_Relation__ctor_VM_Models_Pre_IDocument_"></a> Relation(IDocument)

```csharp
public Relation(IDocument doc)

```

#### Parameters

`doc` IDocument

### <a id="VM_Managed_DAFUL_Operation_Relation__ctor_VM_Models_Pre_IDocument_VM_Managed_DAFUL_SolidBody_"></a> Relation(IDocument, SolidBody)

```csharp
public Relation(IDocument doc, SolidBody selectedBody)

```

#### Parameters

`doc` IDocument

`selectedBody` SolidBody

### <a id="VM_Managed_DAFUL_Operation_Relation__ctor_VM_Models_Pre_IDocument_VM_Managed_DAFUL_SolidBody_System_Double_"></a> Relation(IDocument, SolidBody, double)

```csharp
public Relation(IDocument doc, SolidBody selectedBody, double dTolerance)

```

#### Parameters

`doc` IDocument

`selectedBody` SolidBody

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

## Properties

### <a id="VM_Managed_DAFUL_Operation_Relation_Name"></a> Name

Gets the operation name.

```csharp
public override string Name { get; }

```

#### Property Value

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

### <a id="VM_Managed_DAFUL_Operation_Relation_SeedBody"></a> SeedBody

```csharp
public SolidBody SeedBody { get; set; }

```

#### Property Value

SolidBody

### <a id="VM_Managed_DAFUL_Operation_Relation_SelectedBody"></a> SelectedBody

```csharp
public ICollection<solidbody> SelectedBody { get; }

```

#### Property Value

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

### <a id="VM_Managed_DAFUL_Operation_Relation_Tolerance"></a> Tolerance

```csharp
public double Tolerance { get; set; }

```

#### Property Value

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

## Methods

### <a id="VM_Managed_DAFUL_Operation_Relation_Execute"></a> Execute()

Execute the operation.

```csharp
public override void Execute()

```

### <a id="VM_Managed_DAFUL_Operation_Relation_ExecuteAutoPicker_VM_Managed_Document3D_System_String_System_String_"></a> ExecuteAutoPicker(Document3D, string, string)

```csharp
protected void ExecuteAutoPicker(Document3D doc3D, string strKey, string strTol)

```

#### Parameters

`doc3D` Document3D

`strKey` [string](https://learn.microsoft.com/dotnet/api/system.string)

`strTol` [string](https://learn.microsoft.com/dotnet/api/system.string)