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 # Class StringAPI

 Last update: 16.07.2025 

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

This class implements APIs for string.

```csharp
public static class StringAPI

```

#### Inheritance

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

### CreateString(SubSystemDocument, string, bool, string, bool)

Create .

```csharp
[NotNull(new string[] { "document" })]
public static Obj CreateString(this SubSystemDocument document, string name = "", bool folderPath = false, string stringVal = "", bool isInterface = false)

```

#### Parameters

`document` SubSystemDocument

The document to create the string.

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

The name of string.

`folderPath` [bool](https://learn.microsoft.com/dotnet/api/system.boolean)

The flag of folder path.

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

The value of string.

`isInterface` [bool](https://learn.microsoft.com/dotnet/api/system.boolean)

The flag of interface.

#### Returns

[Obj](VM.API.Pre.Obj.md)

The new  object that is created by this API.

#### Exceptions

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

Will be thrown if 'document' is null.