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 # Class FEFilmAPI

 Last update: 16.07.2025 

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

This class implements APIs for ball placing.

```csharp
public static class FEFilmAPI

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← [FEFilmAPI](VM.API.Pre.Links.FEFilmAPI.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_)

## Methods

### AddPath(Obj, Obj, WindingDirection, ExpressionValueVariable)

Add path.

```csharp
[NotNullObj(new string[] { "film", "designSubentity" })]
[MatchTypeObj(new object[] { "film", typeof(FEFilm) })]
[GreaterThanZero(new string[] { "radius" })]
public static void AddPath(this Obj film, Obj designSubentity, WindingDirection windingDirection, ExpressionValueVariable radius)

```

#### Parameters

`film` Obj

The fe film to add path.

`designSubentity` Obj

The design subentity.

`windingDirection` WindingDirection

The winding direction type.

`radius` ExpressionValueVariable

The radius.

#### Exceptions

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

Will be thrown if 'film', 'designSubentity' are null.

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

Will be thrown if item type of 'film' is not .

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

Will be thrown if item type of 'designSubentity' is not  or .

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

Will be thrown if the 'radius' value is equal to or less than 0.

### ChangeName(string, string)

Change name.

```csharp
[NotNullOrEmpty(new string[] { "oldName", "newName" })]
public static void ChangeName(string oldName, string newName)

```

#### Parameters

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

The old name.

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

The new name.

#### Exceptions

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

Will be thrown if 'oldName', 'newName' are null.

### ClearPath(Obj)

Clear path.

```csharp
[NotNullObj(new string[] { "film" })]
[MatchTypeObj(new object[] { "film", typeof(FEFilm) })]
public static void ClearPath(this Obj film)

```

#### Parameters

`film` Obj

The fe film to clear path.

#### Exceptions

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

Will be thrown if 'film' is null.

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

Will be thrown if item type of 'film' is not .

### CreateFEFilm(SubSystemDocument, IEnumerable<Obj>, string)

Create fe film .

```csharp
[NotNull(new string[] { "document", "paths" })]
public static Obj CreateFEFilm(this SubSystemDocument document, IEnumerable<Obj> paths, string name = "")

```

#### Parameters

`document` SubSystemDocument

The document to create the fe film.

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

The paths to create the fe film.

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

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

#### Returns

Obj

The new  object that is created by this API.

#### Exceptions

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

Will be thrown if 'document', 'paths' are null.