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 # Interface IDocument3D

 Last update: 16.07.2025 

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

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

```

#### Implements

[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<T>(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_)

## Properties

### Categories

```csharp
IEnumerable<string> Categories { get; }

```

#### Property Value

[IEnumerable](https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1)&lt;[string](https://learn.microsoft.com/dotnet/api/system.string)&gt;

### Comment

```csharp
string Comment { get; set; }

```

#### Property Value

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

### IconSize

```csharp
double IconSize { get; set; }

```

#### Property Value

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

## Methods

### FindCategory(string)

```csharp
string FindCategory(string typeName)

```

#### Parameters

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

#### Returns

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

### GetCategoryChildren(string)

```csharp
IEnumerable<IObjectBase> GetCategoryChildren(string categoryName)

```

#### Parameters

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

#### Returns

[IEnumerable](https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1)&lt;[IObjectBase](VM.Models.Pre.IObjectBase.md)&gt;