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 # Interface ISubSystemDocument

 Last update: 09.03.2026 

<a id="VM_Models_Pre_ISubSystemDocument"></a>

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

This interface is to represent the document for sub system.

```csharp
public interface ISubSystemDocument : IDocumentAnalysis, IDocument3D, IHandledDocument, IDocument, IObject, IEventProvider, IContainer, ILinkContainer, IOwned, IHasID, IDocumentOwner

```

#### Implements

[IDocumentAnalysis](VM.Models.Pre.IDocumentAnalysis.md), [IDocument3D](VM.Models.Pre.IDocument3D.md), [IHandledDocument](VM.Models.Pre.IHandledDocument.md), [IDocument](VM.Models.Pre.IDocument.md), [IObject](VM.Models.Pre.IObject.md), [IEventProvider](VM.Models.Pre.IEventProvider.md), [IContainer](VM.Models.Pre.IContainer.md), [ILinkContainer](VM.Models.Pre.ILinkContainer.md), [IOwned](VM.Models.Pre.IOwned.md), IHasID, [IDocumentOwner](VM.Models.Pre.IDocumentOwner.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_), [IDocumentExtensions.IsExistNameInDocument(IDocument, string)](VM.Models.Pre.IDocumentExtensions.md#VM_Models_Pre_IDocumentExtensions_IsExistNameInDocument_VM_Models_Pre_IDocument_System_String_)