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 # Class MultipleContactBase<T\\>

 Last update: 16.07.2025 

Namespace: [VM.Managed.DAFUL.Builder.Contact](VM.Managed.DAFUL.Builder.Contact.md)  
Assembly: VMBldCt.dll

```csharp
public abstract class MultipleContactBase<T> : BuilderNamed<T>, IBuilder where T : MultipleContactBase, new()

```

#### Type Parameters

`T`

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← BuilderBase&lt;T&gt; ← BuilderSymmetric&lt;T&gt; ← BuilderNamed&lt;T&gt; ← [MultipleContactBase&lt;T&gt;](VM.Managed.DAFUL.Builder.Contact.MultipleContactBase-1.md)

#### Implements

IBuilder

#### Inherited Members

BuilderNamed&lt;T&gt;.OnPostBuild(ObjectBase, Document), BuilderNamed&lt;T&gt;.CheckUnit(Document3D, Document3D, string), BuilderNamed&lt;T&gt;.Name, BuilderSymmetric&lt;T&gt;.Build(Document), BuilderSymmetric&lt;T&gt;.Symmetric, BuilderSymmetric&lt;T&gt;.CurrentSymmetric, BuilderBase&lt;T&gt;.m\_bSuccess, BuilderBase&lt;T&gt;.Build(Document), BuilderBase&lt;T&gt;.Build(Document, List&lt;string&gt;), BuilderBase&lt;T&gt;.Validate(IList&lt;string&gt;), BuilderBase&lt;T&gt;.Success(), BuilderBase&lt;T&gt;.OnPostBuild(ObjectBase, Document), BuilderBase&lt;T&gt;.OnFinalBuild(string, Document), BuilderBase&lt;T&gt;.OnObjectChangeBuild(string, Document), BuilderBase&lt;T&gt;.OnPostAddDoc(ObjectBase), BuilderBase&lt;T&gt;.Parameters, BuilderBase&lt;T&gt;.AddToDoc, BuilderBase&lt;T&gt;.UseChangedObject, BuilderBase&lt;T&gt;.SetPointKey, BuilderBase&lt;T&gt;.BuildObject, BuilderBase&lt;T&gt;.BuildDocument, BuilderBase&lt;T&gt;.UseInterface, BuilderBase&lt;T&gt;.ErrorMessage

#### 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_)

## Constructors

### MultipleContactBase()

```csharp
protected MultipleContactBase()

```

## Properties

### IsAllowSwitch

```csharp
protected virtual bool IsAllowSwitch { get; }

```

#### Property Value

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

## Methods

### GetContactType()

```csharp
protected MultiContactType GetContactType()

```

#### Returns

MultiContactType

### GetMultipleInfoList(List&lt;IContactable&gt;)

```csharp
public MultipleContactInfo[] GetMultipleInfoList(List<IContactable> lst)

```

#### Parameters

`lst` [List](https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1)&lt;IContactable&gt;

#### Returns

MultipleContactInfo\[\]

### GetPropType()

```csharp
protected string GetPropType()

```

#### Returns

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