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 # Class ToolkitMultiSelectionSettingBase<T\\>

 Last update: 16.07.2025 

Namespace: [VM.Managed.DAFUL](VM.Managed.DAFUL.md)  
Assembly: VMDFBase.dll

This class is to represent the toolkit setting that has multi-item.

```csharp
public abstract class ToolkitMultiSelectionSettingBase<T> : ToolKitSettingBase, IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

```

#### Type Parameters

`T`

Multi-item enumerator, class, etc...

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← LinkContainer ← [ToolKitSettingBase](VM.Managed.DAFUL.ToolKitSettingBase.md) ← [ToolkitMultiSelectionSettingBase&lt;T&gt;](VM.Managed.DAFUL.ToolkitMultiSelectionSettingBase-1.md)

#### Implements

IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

#### Inherited Members

[ToolKitSettingBase.Add(ObjectBase)](VM.Managed.DAFUL.ToolKitSettingBase.md#VM_Managed_DAFUL_ToolKitSettingBase_Add_VM_Managed_ObjectBase_), [ToolKitSettingBase.Remove(ObjectBase)](VM.Managed.DAFUL.ToolKitSettingBase.md#VM_Managed_DAFUL_ToolKitSettingBase_Remove_VM_Managed_ObjectBase_), [ToolKitSettingBase.Contains(ObjectBase)](VM.Managed.DAFUL.ToolKitSettingBase.md#VM_Managed_DAFUL_ToolKitSettingBase_Contains_VM_Managed_ObjectBase_), [ToolKitSettingBase.Replace(ObjectBase, ObjectBase)](VM.Managed.DAFUL.ToolKitSettingBase.md#VM_Managed_DAFUL_ToolKitSettingBase_Replace_VM_Managed_ObjectBase_VM_Managed_ObjectBase_), [ToolKitSettingBase.PostDeserialize(Configuration)](VM.Managed.DAFUL.ToolKitSettingBase.md#VM_Managed_DAFUL_ToolKitSettingBase_PostDeserialize_VM_Managed_Simulation_Configuration_), [ToolKitSettingBase.Clear()](VM.Managed.DAFUL.ToolKitSettingBase.md#VM_Managed_DAFUL_ToolKitSettingBase_Clear), LinkContainer.SetModified(), LinkContainer.raise\_OnUpdating(object, LinkEventArgs), LinkContainer.raise\_OnUpdate(object, LinkEventArgs), LinkContainer.raise\_OnDestroying(object, LinkEventArgs), LinkContainer.raise\_OnDestroy(object, LinkEventArgs), LinkContainer.raise\_OnAdded(object, AddToDocEventArgs), LinkContainer.raise\_OnRemoved(object, RemoveFromDocEventArgs), LinkContainer.GetTargetListForUpdate(), LinkContainer.SkipUpdateObjectImpl(), LinkContainer.Initialize(Unit.ConvertFactor), LinkContainer.SetFlagWhenXMLFile(string, bool), LinkContainer.IsSerializableEvent(Delegate), LinkContainer.CustomGetObjectData(SerializationInfo, StreamingContext), LinkContainer.GetSerializedData(SerializationInfo, StreamingContext), LinkContainer.LinkRequestUpdating(object, LinkEventArgs), LinkContainer.LinkRequestUpdate(object, LinkEventArgs), LinkContainer.LinkRequestDestroying(object, LinkEventArgs), LinkContainer.LinkRequestDestroy(object, LinkEventArgs), LinkContainer.LinkAddedToDocument(object, AddToDocEventArgs), LinkContainer.LinkRemovedFromDocument(object, RemoveFromDocEventArgs), LinkContainer.OnLinkReserved(ILink, object, EventArgs), LinkContainer.CanBeDestroy(object), LinkContainer.DisposeManagedResources(), LinkContainer.SetContainer(IOwned, bool), LinkContainer.OnChildUpdated(object, LinkEventArgs), LinkContainer.OnContainerDestroy(object, LinkEventArgs), LinkContainer.OnDeserialization(object), LinkContainer.Verify(VerifiedResult), LinkContainer.GetCopy(object), LinkContainer.Dispose(bool), LinkContainer.ClearChildInfoBeforeDeserialize, LinkContainer.Container, LinkContainer.Owner, LinkContainer.Document, LinkContainer.ID, LinkContainer.IsChildExternable, LinkContainer.IsExternable, LinkContainer.OnRemoved, LinkContainer.OnAdded, LinkContainer.OnDestroy, LinkContainer.OnDestroying, LinkContainer.OnUpdate, LinkContainer.OnUpdating, LinkableBase.OnDeserialization(object), ObservableObject.Dispose(), ObservableObject.RaisePropertyChanged(string), ObservableObject.RaisePropertyChanged(string, object, object), ObservableObject.Dispose(bool), ObservableObject.DisposeManagedResources(), ObservableObject.DisposeUnmanagedResources(), ObservableObject.IsDisposed, ObservableObject.TryDisposing, ObservableObject.Disposed, ObservableObject.Disposing, ObservableObject.PropertyChanged

#### 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

### ToolkitMultiSelectionSettingBase()

Initializes a new instance of the  class.

```csharp
public ToolkitMultiSelectionSettingBase()

```

## Methods

### Add(ObjectBase)

Adds the object.

```csharp
public override void Add(ObjectBase ob)

```

#### Parameters

`ob` ObjectBase

The object to add.

### Add(ObjectBase, T)

Adds both the object and item.

```csharp
public virtual void Add(ObjectBase ob, T selection)

```

#### Parameters

`ob` ObjectBase

The object to add.

`selection` T

The selection of the object.

### Contains(ObjectBase)

Determines whether \[contains\] the object.

```csharp
public override bool Contains(ObjectBase ob)

```

#### Parameters

`ob` ObjectBase

The object to find.

#### Returns

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

Whether it contains the object.

### GetSelection(ObjectBase)

Gets the selection of the object.

```csharp
public virtual T GetSelection(ObjectBase ob)

```

#### Parameters

`ob` ObjectBase

The object to get selection.

#### Returns

T

The selection of the object.

### Remove(ObjectBase)

Removes the object.

```csharp
public override bool Remove(ObjectBase ob)

```

#### Parameters

`ob` ObjectBase

The object to remove.

#### Returns

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

Whether it is success to remove the object.

### Replace(ObjectBase, ObjectBase)

Replaces the object.

```csharp
public override void Replace(ObjectBase obOld, ObjectBase obNew)

```

#### Parameters

`obOld` ObjectBase

The old object.

`obNew` ObjectBase

The new object.

### SetSelection(ObjectBase, T)

Sets the selection of the object.

```csharp
public virtual bool SetSelection(ObjectBase ob, T selection)

```

#### Parameters

`ob` ObjectBase

The object to set selection.

`selection` T

The selection of the object.

#### Returns

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

Whether it is success to set the selection.